Maxon Telecom Modem MM 6280IND User Manual

HSDPA Standard AT Commands Manual

VERSION 1.2

This document is the sole and

exclusive property of Maxon. Not to

be distributed or divulged without

prior written agreement.

36A Gibson Ave

Padstow NSW 2211

Australia

URL: www.maxon.com.au

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REVISION HISTORY

Product Name

Maxon ModMax - MM-6280IND

Document Type

Public

Document Number

Current Version Number

Status of the Document

Revision Date

CHE-FDS-2301

1.2

Public Release

2007-12-13

Total Number of Pages

- Revision History

Level

1.0

Date

History

2006-10-02

2007-12-13

2007-12-12

Internal Release Version

Initial Version

1.1

1.2

+CLCK format adjustment

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CONTACT INFORMATION

Depending on the nature of your inquiry, please feel free to contact the following senior

personnel:

Sales, Marketing & Corporate:

Ray Sanders – Managing Director

Phone: +61 2 9707 3000

Dana Baggetto – General Manager

Email:

[email protected]

Phone:

+61 2 9707 3000

Technical:

Phone:

+61 2 9707 3000

Email:

[email protected]

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TABLE OF CONTENTS

HSDPA Standard AT Commands Manual.................................................................................... 1

Document Description .............................................................................................................. 2

REVISION HISTORY.................................................................................................................. 3

CONTACT INFORMATION.......................................................................................................... 4

TABLE OF CONTENTS............................................................................................................... 5

Introduction ............................................................................................................................. 7

1.1. General ................................................................................................................................ 7

1.2. Terms................................................................................................................................... 7

1.3. References............................................................................................................................ 8

AT INTERFACE DESCRIPTION..................................................................................................11

1.4. Basic Integration.................................................................................................................11

1.5. Serial Interface....................................................................................................................11

1.6. Command Format ...............................................................................................................11

1.7. Message Naming Convention...............................................................................................11

1.8. DTE-TA/DCE interface commands ......................................................................................12

Mobile Termination errors commands......................................................................................15

1.9. Report Mobile Termination error( +CMEE) ...........................................................................15

1.9.1.

1.10.

Mobile Termination error result code (CME ERROR) .....................................................15

Informative examples.......................................................................................................17

General commands ..................................................................................................................18

1.11.

1.12.

1.13.

1.14.

1.15.

1.16.

1.17.

Request manufacturer identification(+CGMI)....................................................................18

Request model identification(+CGMM ).............................................................................18

Request product serial number identification (+CGSN) .....................................................19

Select TE character set (+CSCS).......................................................................................19

ITU-T V.250 generic TA control commands.......................................................................20

PCCA STD‑101 [17] select wireless network +WS46 .........................................................21

Informative examples.......................................................................................................21

Phone model.............................................................................................................21

Phone Manufacturer .................................................................................................21

Checking mobile state...............................................................................................21

Firmware version reading..........................................................................................21

1.17.1.

1.17.2.

1.17.3.

1.17.4.

1.17.5.

1.17.6.

1.17.7.

IMEI number reading................................................................................................21

Supported alphabets.................................................................................................22

Network service commands......................................................................................................23

1.18.

1.19.

1.20.

1.21.

1.22.

1.23.

Subscriber number +CNUM .............................................................................................24

Network registration +CREG ............................................................................................24

PLMN selection +COPS.....................................................................................................25

Facility lock +CLCK..........................................................................................................27

Change password +CPWD................................................................................................29

Preferred PLMN list +CPOL...............................................................................................29

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1.24.

1.25.

Read operator names +COPN ...........................................................................................30

Informative examples.......................................................................................................30

Operator information reading....................................................................................30

IMSI number reading................................................................................................31

GPRS Attachment.....................................................................................................31

Network registration .................................................................................................31

Own number reading ................................................................................................31

1.25.1.

1.25.2.

1.25.3.

1.25.4.

1.25.5.

Mobile Termination control and status commands...................................................................32

1.26.

1.27.

1.28.

1.29.

1.30.

1.31.

Basic TE ..........................................................................................................................32

Signal quality +CSQ.........................................................................................................33

Clock +CCLK ...................................................................................................................33

Band Selection (AT$$MBAND).........................................................................................34

Enter PIN +CPIN ..............................................................................................................34

Informative examples.......................................................................................................35

Signal strength reading.............................................................................................35

Pin registration .........................................................................................................36

1.31.1.

1.31.2.

Packet Domain Command(GPRS)..............................................................................................37

1.32.

UMTS packet Domain commands ....................................................................................37

Define PDP Context +CGDCONT ...............................................................................38

Define Secondary PDP Context +CGDSCONT ............................................................39

Traffic Flow Template +CGTFT ..................................................................................40

1.32.1.

1.32.2.

1.32.3.

The following parameters are defined in 3GPP TS 23.060[47] - .................................................42

1.32.4.

1.32.5.

1.32.6.

Quality of Service Profile (Requested) +CGQREQ .......................................................43

Quality of Service Profile (Minimum acceptable) +CGQMIN........................................44

3G Quality of Service Profile (Requested) +CGEQREQ................................................45

The following parameters are defined in 3GPP TS 23.107 [46] - ................................................46

1.32.7. 3G Quality of Service Profile (Minimum acceptable) +CGEQMIN ................................48

The following parameters are defined in 3GPP TS 23.107 [46] - ................................................50

1.32.8. 3G Quality of Service Profile (Negotiated) +CGEQNEG ...............................................51

The following parameters are defined in 3GPP TS 23.107 [46] - ................................................52

If a value is omitted for a particular class then the value is considered to be unspecified.........53

1.32.9.

PS attach or detach +CGATT.....................................................................................53

1.32.10. PDP context activate or deactivate +CGACT...............................................................54

1.32.11. PDP Context Modify +CGCMOD ................................................................................55

1.32.12. Enter data state +CGDATA........................................................................................55

1.32.13. Show PDP address +CGPADDR.................................................................................56

1.33.

1.34.

1.34.1.

Modem compatibility commands......................................................................................57

Informative examples.......................................................................................................57

UMTS Connection.....................................................................................................57

Synchronous data mode commands .........................................................................................58

Qualcomm commands..............................................................................................................59

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Introduction

1.1. General

The 3GPP TS 27.007 technical specification defines an AT command set for use in controlling devices

that operate on WCDMA networks. This document identifies which of those AT commands are

supported on the CHU628 USB modem module.

The specification document that lists the AT command set, 3GPP TS 27.007 V5.6.0(2005-03), is

available on the 3GPP web site, www.3gpp.org.

The table below identifies whether each command is supported on the CHU628 USB module.

An “N/A in the support column of the table indicates that the command is related to a feature that is not

available on the modems.

1.2. Terms

The following terms are used throughout this document. We have provided and explanation of these

for your reference.

Table 1. Terms definition

Term

[ ]

Description

Field. Contents between ‘[’ and ‘]’ indicate the name of the field or the

parameter required to complete the syntax.

Option field. Contents between ‘{‘ and ‘}’ indicate the name of the field or the

parameter which can be omitted.

{ }

<CR>

<del>

Carriage return character, which value is specified with command S3

Delimiter/Space. Insert a space.

Communications command set interface between data terminal equipment

(DTE) and data circuit terminating equipment (DCE).

AT command set

DCE

DTE

IMEI

Same as MT2.

Same as TE2

International Mobile station Equipment Identity

Mobile-Originated where the SMS or the call is originated [sent] by the Mobile

Station.

A cellular device [e.g this modem or a mobile phone handset] in the carrier’s

domestic public cellular phone network intended to be used when stationary,

while in motion or during halts at unspecified points. Mobile stations may

include fixed, portable (e.g., hand-held personal units) or vehicular units.

Mobile Station

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Term

MSC

Description

Mobile Switching Centre

Mobile-Terminated where the SMS or the call is terminated [received] at the

Mobile Station.

Mobile Termination 2An MT2 provides a non-ISDN (Rm) user interface, e.g.,

CCITT V series or CCITT X series. Same at DCE. Refers to the MM-6280IND

modem.

MT2

Non Volatile Memory. User changeable and is written at time of change or

entry to a separate section of memory unaffected by power cycles. The setting

value is available in all profiles.

NVM

PCCA

Portable Computer and Communications Association

Hardwire Interface between MT2 and TE2.

Short text Message Service.

SMS

Terminal Equipment 2. A TE2 is a data terminal device that has a non-ISDN

user-network interface, e.g., CCITT V series or CCITT X series. Same as DTE.

Products which can issue AT command set and handle the response through

UART or RS-232 signalling ports of the MM-6280IND. The popular examples

of MT2 are PC’s, PDA and embedded systems i.e. Data Logger, PLC etc.

TE2

Universal Asynchronous Receiver-Transmitter, the UART is a microchip

component that handles asynchronous serial communication. Every computer

contains a UART to manage the serial ports, and some internal modems such

as MM-6280IND have their own UART. UART 1(RS232 port) UART 2 (On

serial for diagnostics)

UART

User Equipment

User Interface.

UICC

Universal Integrated Circuit Card

Over-air interface between the MT2 and the BS.

Universal Subscriber Identity Module

USIM

1.3. References

The following standards are referenced in this text.

3GPP TS 22.002

3rd Generation Partnership Project; Bearer Services (BS) supported by a GSM Public Land Mobile

Network (PLMN)

3GPP TS 22.003

3rd Generation Partnership Project; Teleservices supported by a GSM Public Land Mobile Network

(PLMN).

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3GPP TS 22.081

3rd Generation Partnership Project; Line identification supplementary services - Stage 1.

3GPP TS 22.082

3rd Generation Partnership Project; Call Forwarding (CF) supplementary services - Stage 1".

3GPP TS 22.083

3rd Generation Partnership Project; Call Waiting (CW) and Call Hold (HOLD) supplementary

services - Stage 1".

3GPP TS 22.088

3rd Generation Partnership Project; Call Barring (CB) supplementary services - Stage 1.

3GPP TS 23.003

3rd Generation Partnership Project; Numbering, addressing and identification.

3GPP TS 24.008

3rd Generation Partnership Project; Mobile Radio Interface Layer 3 specification; Core Network

Protocols-Stage 3.

GSM MoU SE.13

GSM MoU Permanent Reference Document SE.13

GSM Mobile Network Codes and Names.

ITU-T Recommendation E.212

Identification plan for land mobile stations.

ITU-T Recommendation T.31

Asynchronous facsimile DCE control, service class 1.

ITU-T Recommendation T.32

Asynchronous facsimile DCE control, service class 2.

ITU-T Recommendation T.50

International Reference Alphabet (IRA) (Formerly International Alphabet No. 5 or IA5) - Information

technology - 7-bit coded character set for information exchange.

ITU-T Draft new Recommendation V.250

Serial asynchronous automatic dialling and control.

Telecommunications Industry Association TIA IS-99

Data Services Option Standard for Wideband Spread Spectrum Digital Cellular System.

Telecommunications Industry Association TIA IS-135

800 MHz Cellular Systems, TDMA Services, Async Data and Fax.

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Portable Computer and Communications Association PCCA STD-101 Data Transmission

Systems and Equipment

Serial Asynchronous Automatic Dialling and Control for Character Mode DCE on Wireless Data

Services.

3GPP TS 27.060

3rd Generation Partnership Project; General requirements on Mobile Stations (MS) supporting

General Packet Radio Bearer Service (GPRS).

CCITT Recommendation V.110

Support of data terminal equipments (DTEs) with V-Series interfaces by an integrated services digital

network.

CCITT Recommendation V.120

Support by an ISDN of data terminal equipment with V-Series type interfaces with provision for

statistical multiplexing.

ITU-T Recommendation X.31

Support of packet mode terminal equipment by an ISDN.

3GPP TS 31.101

UICC-Terminal Interface; Physical and Logical Characteristics

ETSI TS 102 310

Smart Cards; Extensible Authentication Protocol support in the UICC.

ETSI TS 102 221

Smart cards; UICC-Terminal interface; Physical and logical characteristics.

RFC 3748, June 2004

Extensible Authentication Protocol (EAP)

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AT INTERFACE DESCRIPTION

1.4. Basic Integration

The MM-6280IND supports asynchronous serial communication known as RS-232 or USB.

This chapter describes the basic integration and communication of MT2 with TE2. MT2 hereby defines

MM-6280IND and TE2 means host products which can issue AT commands and handle the response

through UART or USB signalling. The popular examples of TE2 are PC’s, PDA’s and unmanned

systems such as Data Loggers, RTU’s or PLC’s.

1.5. Serial Interface

TE2’s command and MT2’s response pair is the basic interface sequence. The pairs should keep a

pre-defined format and ignore the case of letters unless otherwise specified. MM-6280IND supports 2

serial interfaces, USB and UART. USB and UART serve an AT command set with ASCII character

sequence.

1.6. Command Format

The AT command set in USB and UART is based on ASCII text. The extended AT command set by

Qualcomm start with “AT$QC” and the extended AT command set by C-motech start with “AT$$”. All

commands should finish by <CR>, 0x0d.

Any spaces in the AT command field are ignored and the space in the parameter field should be

removed if it is not necessary unless otherwise specified.

With few exceptions the following syntax provides the given response for each AT command. Where

not applicable the response is ERROR:

Table 2. AT command Format

Command

Description

AT***?

reads current set value

AT***=?

reads supported range of values

changes current set value to new set value

AT$$ command = argument

AT***=<value>

ASCII commands/ACK

$$command: result

ASCII

responses/notifications

Error(In case of not applicable command, or wrong argument input)

NOTE: *** stands for the specific AT syntax.

1.7. Message Naming Convention

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The following diagram shows the naming convention of messages between MT2 and TE2.

Command (including AT)

Notification (excluding AT)

TE2

MT2

TE2

MT2

Response (excluding AT)

Signal (H/W)

MT2

TE2

Indication (message)

Figure 1. Naming convention diagram

1.8. DTE-TA/DCE interface commands

Table 3. ITU-T V.250 commands relating to TE-TA interface

Command

Req

Description

Support

E<value>

Mand.

Command echo

supported

Q<value>

Mand.

Result code suppression

supported

Command line termination character

Response formatting character

supported

Mand.

Command line editing character

V<value>

X<value>

&C<value>

&D<value>

DCE response format

Result code selection and call progress monitoring control

Circuit 109 DCE RLSD (DCD) behavior

Circuit 108 DTE DTR behavior

Fixed Rm Rate. This numeric extended-format parameter

specifies the data rate at which the MT2 will accept

command set, in addition to 1200 bit/s or 9600 bit/s (as

required in EIA/TIA-602). It may be used to select operation

at rates at which the MT2 is not capable of automatically

detecting the data rate being used by the TE2.

+IPR=<rate>

Opt.

115200bps. (Default)

+IPR? Displays current set value.

+IPR=? Displays range of (supported auto detectable rates),

(list of supported fixed-only rates). e.g. +IPR: (1200, 2400,

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4800, 9600, 19200), (45, 50, 75, 110, 150, 300, 600, 38400,

57600, 115200, 230400)

+IPR=<value> Set value

TE2-MT2 Character Framing. This extended-format

compound parameter is used to determine the local serial

port start-stop (asynchronous) character framing that the

MT2 shall use while accepting TE2 command set and while

transmitting information text and result codes to the TE2, if

this is not automatically determined (see +IPR).

supported

valid numeric values

auto detect [NOT SUPPORTED]

8Data 2Stop

8Data 1Parity 1Stop

8Data 1Stop (Default)

7Data 2Stop

+ICF

Opt.

7Data 1Parity 1Stop

7Data 1Stop

defined numeric values

odd

even

Mark [NOT SUPPORTED]

space (Default)

+ICF? Shows current settings

+ICF=? Shows supported range

+ICF=<format_value,parity_value> sets value

TE2-MT2 Local Flow Control. This extended-format

compound parameter is used to control the operation of

supported

local flow control between the TE2 and MT2 ^[1]

<c_by_t>

Description

None

+IFC

Opt.

Xon/Xoff local

DC1/DC3 on circuit 103; do not pass

DC1/DC3 characters to the remote

DCE.

Circuit 133 (Ready for Receiving)

(Default)

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Xon/Xoff global

DC1/DC3 on circuit 103 with DC1/DC3

characters being passed through to the

remote DCE in addition to being acted

upon for local flow control

<t_by_c>

Description

None

Xon/Xoff local

DC1/DC3 on circuit 104

Circuit 106 (Clear to Send/Ready for

Sending) (Default)

<c_by_t>: specifies the method to be used by the DTE to

control the flow of received data from the DCE;

<t_by_c>: specifies the method to be used by the DCE to

control the flow of transmitted data from the DTE.

AT+IFC=<[[c_by_t]DCE_DTE]>,<[[t_by_c]DTE_DCE]>

+IFC? Shows current settings

+IFC=? Shows supported range

+IFC=<c_by_t,t_by_c> sets value

determines whether the used local TE-TA data rate is

informed using intermediate result code +ILRR

+ILRR

Opt.

Not supported

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Mobile Termination errors commands

Table 4. Mobile Termination control and status commands

Command

Req

Description

Report Mobile Termination error

Support

+CMEE

supported

1.9. Report Mobile Termination error( +CMEE)

Set command disables or enables the use of result code +CME ERROR: <err> as an

indication of an error relating to the functionality of the MT. When enabled, MT related

errors cause +CME ERROR: <err> final result code instead of the regular ERROR final result

code. ERROR is returned normally when error is related to syntax, invalid parameters, or TA

functionality.

Table 5. +CMEE parameter command syntax

Command

+CMEE=[<n>]

+CMEE?

Possible response(s)

+CMEE: <n>

+CMEE=?

value

+CMEE: (list of supported <n>s)

<n>:

0 disable +CME ERROR: <err> result code and use ERROR instead

1 enable +CME ERROR: <err> result code and use numeric <err> values (refer

next subclause)

2 enable +CME ERROR: <err> result code and use verbose <err> values (refer

next subclause)

1.9.1.

Mobile Termination error result code (CME ERROR)

The operation of +CME ERROR: <err> result code is similar to the regular ERROR result code: if

+CME ERROR: <err> is the result code for any of the commands in a command line, none of the

following commands in the same command line is executed (neither ERROR nor OK result code shall

be returned as a result of a completed command line execution). The format of <err> can be either

numeric or verbose. This is set with command +CMEE (refer previous subclause).

<err> values (numeric format followed by verbose format):

0 phone failure

1 no connection to phone

2 phone-adaptor link reserved

3 operation not allowed

4 operation not supported

5 PH-SIM PIN required

6 PH-FSIM PIN required

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7 PH-FSIM PUK required

10 SIM not inserted (Note)

11 SIM PIN required

12 SIM PUK required

13 SIM failure (Note)

14 SIM busy (Note)

15 SIM wrong (Note)

16 incorrect password

17 SIM PIN2 required

18 SIM PUK2 required

20 memory full

21 invalid index

22 not found

23 memory failure

24 text string too long

25 invalid characters in text string

26 dial string too long

27 invalid characters in dial string

30 no network service

31 network timeout

32 network not allowed - emergency calls only

40 network personalization PIN required

41 network personalization PUK required

42 network subset personalization PIN required

43 network subset personalization PUK required

44 service provider personalization PIN required

45 service provider personalization PUK required

46 corporate personalization PIN required

47 corporate personalization PUK required

48 hidden key required

49 EAP method not supported

50 Incorrect parameters

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100

Unknown

1.10. Informative examples

An example of TA responses with all three +CMEE values when MT manufacturer identification is

requested but MT is not connected to the TA:

AT+CMEE=0

(+CME ERROR shall not be used)

AT+CGMI

ERROR

AT+CMEE=1

(use numeric <err>)

AT+CGMI

+CME ERROR: 1

AT+CMEE=2

(use verbose <err>)

AT+CGMI

+CME ERROR: no connection to phone

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General commands

ITU-T Recommendation V.250 [14] includes "Generic DCE Control" commands with the prefix +G.

These commands are for the identification of the TA. Four of those commands are adapted here to be

the identification commands of the MT. Syntax is otherwise similar but the prefix is +CG. TIA

IS-99 [15] uses same commands for base station identification.

Table 6. General AT command

Command

+CGMI

Req

Opt.

Description

Request manufacturer identification

Support

supported

+CGMM

+CGMR

+CGSN

+CSCS

+CIMI

Opt.

Mand.

Opt.

Request model identification

supported

Request revision identification

Request product serial number identification

Select TE character set

Request international mobile subscriber identity

Multiplexing mode

supported

+CMUX

Not supported

1.11. Request manufacturer identification(+CGMI)

Execution command causes the TA to return one or more lines of information text <manufacturer>,

determined by the MT manufacturer, which is intended to permit the user of the TA to identify the

manufacturer of the MT to which it is connected to. Typically, the text will consist of a single line

containing the name of the manufacturer, but manufacturers may choose to provide more information

if desired.

Table 7. +CGMI action command syntax

Command

Possible response(s)

+CGMI

+CME ERROR: <err>

+CGMI=?

value

<manufacturer>: the total number of characters, including line terminators, in the

information text shall not exceed 2048 characters

1.12. Request model identification(+CGMM )

Execution command causes the TA to return one or more lines of information text <model>,

determined by the MT manufacturer, which is intended to permit the user of the TA to identify the

specific model of the MT to which it is connected to. Typically, the text will consist of a single line

containing the name of the product, but manufacturers may choose to provide more information if

desired.

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Table 8. +CGMM action command syntax

Command

Possible response(s)

+CGMM

<model>

+CME ERROR: <err>

+CGMM=?

value

<model>: the total number of characters, including line terminators, in the information text

shall not exceed 2048 characters.

1.13. Request product serial number identification (+CGSN)

Execution command causes the TA to return one or more lines of information text <sn>, determined by

the MT manufacturer, which is intended to permit the user of the TA to identify the individual MT to

which it is connected to. Typically, the text will consist of a single line containing the IMEI (International

Mobile station Equipment Identity; refer 3GPP TS 23.003 [7]) number of the MT, but manufacturers

may choose to provide more information if desired.

Table 9. +CGSN action command syntax

Command

Possible response(s)

+CGSN

<sn>

+CME ERROR: <err>

+CGSN=?

value

<sn>: the total number of characters, including line terminators, in the information text

shall not exceed 2048 characters

1.14. Select TE character set (+CSCS)

Set command informs TA which character set <chset> is used by the TE. TA is then able to convert

character strings correctly between TE and MT character sets.

Table 10. +CSCS parameter command syntax

Command

+CSCS=[<chset>]

+CSCS?

Possible response(s)

+CSCS: <chset>

+CSCS=?

+CSCS: (list of supported <chset>s)

<chset> (conversion schemes not listed here can be defined by

manufacturers):

Value

"GSM"

GSM 7 bit default alphabet (3GPP TS 23.038); this setting

causes easily software flow control (XON/XOFF) problems

"IRA"

international reference alphabet (ITU-T T.50 [13])

"UCS2"

16-bit universal multiple-octet coded character set

(ISO/IEC10646 [32]); UCS2 character strings are converted to

hexadecimal numbers from 0000 to FFFF; e.g.

"004100620063" equals three 16-bit characters with decimal

values 65, 98 and 99

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1.15. ITU-T V.250 generic TA control commands

Table 11. ITU-T V.250 generic TA control commands

Command

Req

Description

Support

Z[<value>]

Mand.

TA sets all parameters to their defaults as specified by a

user memory profile or by the manufacturer, and resets TA

TA sets all parameters to their defaults as specified by the

manufacturer

request manufacturer specific information about the

TA (software cannot use this command to determine the

capabilities of a TA)

supported

&F[<value>]

I[<value>]

Mand.

Opt.

supported

+GMI

Mand.

This command causes the MT2 to transmit one or more

lines of information text, determined by the manufacturer,

which is intended to permit the user of the MT2 to identify

the manufacturer. Typically, the text will consist of a single

line containing the name of the manufacturer, but

manufacturers may choose to provide more information if

desired (e.g., address, telephone number for customer

service, etc.).

supported

Maxon Electronics Australia Pty. Ltd.

+GMM

Mand.

This command causes the MT2 to transmit one or more

lines of information text, determined by the manufacturer,

which is intended to permit the user of the MT2 to identify

the specific model of the device. Typically, the text will

consist of a single line containing the name of the product,

but manufacturers may choose to provide any information

desired.

supported

+GMR

Mand.

This command causes the MT2 to transmit one or more

lines of information text, determined by the manufacturer,

which is intended to permit the user of the MT2 to identify

the version, revision level or date, or other pertinent

information of the device. Typically, the text will consist of a

single line containing the version of the product, but

manufacturers may choose to provide any information

desired.

supported

+GSN

Opt.

This command causes the MT2 to transmit one or more

lines of information text, determined by the manufacturer,

which is intended to permit the user of the MT2 to identify

the individual device. Typically, the text will consist of a

single line containing a manufacturer determined alpha-

numeric string, but manufacturers may choose to provide

any information desired.

supported

+GOI

Opt.

request ISO system global object identification of the TA Not supported

(general format defined in ITU T Recommendation X.208;

encoding rules in ITU T Recommendation X.209)

+GCAP

Mand.

This extended-format command causes the MT2 to

transmit one or more lines of information text in a specific

format. The content is a list of additional capabilities

supported

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command +<name>s, which is intended to permit the user

of the MT2 to identify the minimum capabilities of the MT2.

An MT2 conforming to this standard shall include the

following items, as a minimum, in the result code for the

+GCAP command:

+CIS707, +MS, +ES, +DS, +FCLASS (Default)

selects the country of installation for the TA using ITU T

Recommendation T.35 Annex A country codes

+GCI=<T.35>

Opt.

Not supported

1.16. PCCA STD‑101 [17] select wireless network +WS46

Table 12. PCCA STD‑101 [17] select wireless network +WS46

Command

+WS46

Req

Description

Support

select wireless network

1.17. Informative examples

1.17.1.

Phone model

Command: AT+CGMM

Expected response: Model

1.17.2.

Phone Manufacturer

Command: AT+CGMI

Expected response: Manufacturer

1.17.3.

Checking mobile state

Command: AT+CPAS

Expected response:+CPAS: State

State possible values:

0: available

3: ringing

4: call in progress

1.17.4.

Firmware version reading

Command: AT+CGMR

Expected response: +CGMR: Firmware

1.17.5. IMEI number reading

Command: AT+CGSN

Expected response: +CGSN: IMEI

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1.17.6.

Supported alphabets

Command: AT+CSCS=?

Expected response: +CSCS: (“alphabet1”,”alphabet2”,…)

Command: AT+CSCS=”Alphabet”

Expected response: OK if chosen alphabet is supported or ERROR

1.17.7.

Supported alphabets

Command: AT+CSCS=?

Expected response: +CSCS: (“alphabet1”,”alphabet2”,…)

Command: AT+CSCS=”Alphabet”

Expected response: OK if chosen alphabet is supported or ERROR

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Network service commands

UMTS network related commands, which are not covered in call control clause of the present

document. Commands include UMTS MSISDN query, MT and network facility locking, and network

registration information query

Table 13. Network service commands

27.007

Command

Description

Support

Req.

+CNUM

Opt.

Subscriber number

Supported

Presentation of unsolicited network registration status Values

per spec Parameter values supported:

<n> – 0, 1

<stat> – 0 to 5

PLMN selection

+CREG=[<n>]

+COPS

Opt.

Supported

Lock, unlock, or interrogate an ME or a network facility

Values per spec Command is abortable Parameter values

supported:

<fac>:

+CLCK=<fac>,

mode>,<passwd Mand.

>,<class>

Supported

<mode> – 0 to 2

<class> – 1 to 255

Set new password for a facility lock function Values per spec

Parameter values supported:

<fac>:

+CPWD=

<fac>, <oldpwd>,

Opt.

Supported

+CLIP

Opt.

Calling line identification presentation

Calling line identification restriction

Connected line identification presentation

Called line identification presentation

Closed user group

+CLIR

+COLP

+CDIP

+CCUG

Not supported

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+CCFC

+CCWA

+CHLD

+CTFR

+CUSD

+CAOC

+CSSN

+CLCC

Mand.

Opt.

Call forwarding number and conditions

Call waiting

Call related supplementary services

Call deflection

Not supported

Unstructured supplementary service data

Advice of Charge

Supplementary service notifications

List current calls

+CPOL=[<index>

][,

Preferred operator list Parameter values supported:

<index> – 0 to 50

Opt.

Supported

format>[,<oper>]]

<format> – 0,2

+CPLS

Opt.

Selection of preferred PLMN list

Not supported

Supported

+COPN

+CAEMLPP

+CPPS

Opt.

Read operator names

Mand.

Opt.

eMLPP Priority Registration and Interrogation

eMLPP subscriptions

Not supported

+CFCS

Fast call setup conditions

+CAAP

Automatic answer for eMLPP Service

User to User Signalling Service 1

+CUUS1

1.18. Subscriber number +CNUM

Action command returns the MSISDNs related to the subscriber (this information can be stored

in the SIM/UICC or in the MT). When storing information in the SIM/UICC, if a SIM card is

present or if a UICC with an active GSM application is present, the information is stored in the

EF_MSISDNunder DF_Telecom. If a UICC with an active USIM application is present, the information is

stored in the EF_MSISDNunder ADF_USIM). If subscriber has different MSISDN for different services,

each MSISDN is returned in a separate line.

Table 14. +CNUM action command syntax

Command

Possible response(s)

+CNUM

+CNUM: [<alpha1>],<number1>,<type1>[,<speed>,<service>[,<itc>]]

[<CR><LF>+CNUM: [<alpha2>],<number2>,<type2>[,<speed>,<service>

[,<itc>]]

[...]]

+CME ERROR: <err>

+CNUM=?

1.19. Network registration +CREG

Action command returns the MSISDNs related to the subscriber (this information can be stored

in the SIM/UICC or in the MT). When storing information in the SIM/UICC, if a SIM card is

present or if a UICC with an active GSM application is present, the information is stored in the

EF_MSISDNunder DF_Telecom. If a UICC with an active USIM application is present, the information is

stored in the EF_MSISDNunder ADF_USIM). If subscriber has different MSISDN for different services,

each MSISDN is returned in a separate line.

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Table 15. +CREG parameter command syntax

Command

Possible response(s)

+CREG=[<n>]

+CREG?

+CREG: <n>,<stat>[,<lac>,<ci>]

+CME ERROR: <err>

+CREG=?

value

+CREG: (list of supported <n>s)

<n>:

disable network registration unsolicited result code

enable network registration unsolicited result code +CREG: <stat>

enable network registration and location information unsolicited result code +CREG:

<stat>[,<lac>,<ci>]

<stat>:

not registered, MT is not currently searching a new operator to register to

registered, home network

not registered, but MT is currently searching a new operator to register to

registration denied

unknown

registered, roaming

<lac>: string type; two byte location area code in hexadecimal format (e.g. "00C3"

equals 195 in decimal)

<ci>: string type; two byte cell ID in hexadecimal format

1.20. PLMN selection +COPS

Set command forces an attempt to select and register the GSM/UMTS network operator. <mode>

is used to select whether the selection is done automatically by the MT or is forced by this

command to operator <oper> (it shall be given in format <format>) to a certain access

technology, indicated in <AcT>. If the selected operator is not available, no other operator shall

be selected (except <mode>=4). If the selected access technology is not available, then the same

operator shall be selected in other access technology. The selected operator name format shall

apply to further read commands (+COPS?) also. <mode>=2 forces an attempt to deregister from

the network. The selected mode affects to all further network registration (e.g. after <mode>=2,

MT shall be unregistered until <mode>=0 or 1 is selected).

This command should be abortable when registration/deregistration attempt is made.

Read command returns the current mode, the currently selected operator and the current Access

Technology. If no operator is selected, <format>, <oper>and < AcT> are omitted.

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Test command returns a set of five parameters, each representing an operator present in the

network. A set consists of an integer indicating the availability of the operator <stat>, long and

short alphanumeric format of the name of the operator, numeric format representation of the

operator and access technology. Any of the formats may be unavailable and should then be an

empty field. The list of operators shall be in order: home network, networks referenced in SIM or

active application in the UICC (GSM or USIM) in the following order: HPLMN selector, User

controlled PLMN selector, Operator controlled PLMN selector and PLMN selector (in the SIM or

GSM application), and other networks.

It is recommended (although optional) that after the operator list TA returns lists of supported

<mode>s and <format>s. These lists shall be delimited from the operator list by two commas.

NOTE:

The access technology selected parameters, <AcT>, should only be used in terminals capable to register

to more than one access technology. Selection of <AcT> does not limit the capability to cell

reselections, even though access technology is selected, the phone may still re-select a cell in other

access technology.

Table 16. +CREG parameter command syntax

Command

Possible response(s)

+COPS=[<mode>[ +CME ERROR: <err>

,<format>

[,<oper>[,<

AcT>]]]]

+COPS?

+COPS: <mode>[,<format>,<oper>[,<AcT>]]

+CME ERROR: <err>

+COPS=?

+COPS: [list of supported (<stat>,long alphanumeric <oper>

,short alphanumeric <oper>,numeric <oper>[,<AcT>])s]

[,,(list of supported <mode>s),(list of supported <format>s)]

+CME ERROR: <err>

<mode>:

value

automatic (<oper>field is ignored)

manual (<oper>field shall be present, and <AcT> optionally)

deregister from network

set only <format>(for read command +COPS?), do not attempt

registration/deregistration (<oper>and < AcT> fields are ignored); this value is not

applicable in read command response

manual/automatic (<oper>field shall be present); if manual selection fails, automatic

mode (<mode>=0) is entered

<format>:

long format alphanumeric <oper>

short format alphanumeric <oper>

numeric <oper>

<oper>: string type; <format>indicates if the format is alphanumeric or numeric; long

alphanumeric format can be upto 16 characters long and short format up to 8

characters (refer GSM MoU SE.13 [9]); numeric format is the GSM Location Area

Identification number (refer TS 24.008 [8] subclause 10.5.1.3) which consists of a

three BCD digit country code coded as in ITU-T E.212 Annex A [10], plus a two BCD

digit network code, which is administration specific; returned <oper>shall not be in

BCD format, but in IRA characters converted from BCD; hence the number has

structure: (country code digit 3)(country code digit 2)(country code digit 1)(network

code digit 3)(network code digit 2)(network code digit 1)

<stat>:

unknown

available

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current

forbidden

<AcT> access technology selected:

GSM

GSM Compact

UTRAN

1.21. Facility lock +CLCK

Execute command is used to lock, unlock or interrogate a MT or a network facility <fac>.

Password is normally needed to do such actions. When querying the status of a network service

(<mode>=2) the response line for 'not active' case (<status>=0) should be returned only if service

is not active for any <class>.

. This command should be abortable when network facilities are set or interrogated.

Call barring facilities are based on GSM/UMTS supplementary services (refer 3GPP TS

22.088 [6]). The interaction of these with other commands based on other GSM/UMTS

supplementary services is described in the GSM/UMTS standard.

Test command returns facility values supported as a compound value.

Table 17. +CREG parameter command syntax

Command

Possible response(s)

+CLCK=<fac>,<mode>[,<+CME ERROR: <err>

passwd>[,<class>]]

when <mode>=2 and command successful:

+CLCK: <status>[,<class1>

[<CR><LF>+CLCK: <status>,<class2>

[...]]

+CLCK=?

+CLCK: (list of supported <fac>s)

+CME ERROR: <err>

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value

<fac>values reserved by the present document:

"CS"

"PS"

CNTRL (lock CoNTRoL surface (e.g. phone keyboard))

PH-SIM (lock PHone to SIM/UICC card) (MT asks password when

other than current SIM/UICC card inserted; MT may remember certain

amount of previously used cards thus not requiring password when they

are inserted)

"PF"

"SC"

lock Phone to the very First inserted SIM/UICC card (also referred in the

present document as PH-FSIM) (MT asks password when other than the

first SIM/UICC card is inserted)

SIM (lock SIM/UICC card) (SIM/UICC asks password in MT power-up

and when this lock command issued)

"AO"

"OI"

BAOC (Barr All Outgoing Calls) (refer 3GPP TS 22.088 [6] clause 1)

BOIC (Barr Outgoing International Calls) (refer 3GPP TS 22.088 [6]

clause 1)

"OX"

BOIC-exHC (Barr Outgoing International Calls except to Home

Country) (refer 3GPP TS 22.088 [6] clause 1)

"AI"

"IR"

BAIC (Barr All Incoming Calls) (refer 3GPP TS 22.088 [6] clause 2)

BIC-Roam (Barr Incoming Calls when Roaming outside the home

country) (refer 3GPP TS 22.088 [6] clause 2)

"NT"

"NM"

"NS"

"NA"

"AB"

barr incoming calls from numbers Not stored to TA memory

barr incoming calls from numbers Not stored to MT memory

barr incoming calls from numbers Not stored to SIM/UICC memory

barr incoming calls from numbers Not stored in Any memory

All Barring services (refer 3GPP TS 22.030 [19]) (applicable only for

<mode>=0)

"AG"

"AC"

"FD"

All outGoing barring services (refer 3GPP TS 22.030 [19]) (applicable

only for <mode>=0)

All inComing barring services (refer 3GPP TS 22.030 [19]) (applicable

only for <mode>=0)

SIM card or active application in the UICC (GSM or USIM) fixed

dialling memory feature (if PIN2 authentication has not been done

during the current session, PIN2 is required as <passwd>)

Network Personalization (refer 3GPP TS 22.022 [33])

network sUbset Personalization (refer 3GPP TS 22.022 [33])

service Provider Personalization (refer 3GPP TS 22.022 [33])

Corporate Personalization (refer 3GPP TS 22.022 [33])

"PN"

"PU"

"PP"

"PC"

<mode>:

unlock

lock

query status

<status>:

not active

active

<passwd>: string type; shall be the same as password specified for the facility

from the MT user interface or with command Change Password +CPWD

<classx>is a sum of integers each representing a class of information

(default 7):

voice (telephony)

data (refers to all bearer services; with <mode>=2 this may refer only to

some bearer service if TA does not support values 16, 32, 64 and 128)

fax (facsimile services)

short message service

16 data circuit sync

32 data circuit async

64 dedicated packet access

128

dedicated PAD access

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1.22. Change password +CPWD

Action command sets a new password for the facility lock function defined by command Facility

Lock +CLCK.

Table 18. +CPWD action command syntax

Command

Possible response(s)

+CPWD=<fac>,<oldpwd>, +CME ERROR: <err>

+CPWD=?

value

+CPWD: list of supported (<fac>,<pwdlength>)s

+CME ERROR: <err>

<fac>:

"P2"

SIM PIN2

refer Facility Lock +CLCKfor other values

<oldpwd>, <newpwd>: string type; <oldpwd>shall be the same as

password specified for the facility from the MT user interface or with

command Change Password +CPWDand <newpwd>is the new password;

maximum length of password can be determined with <pwdlength>

<pwdlength>: integer type maximum length of the password for the facility

1.23. Preferred PLMN list +CPOL

This command refers to the GSM/UMTS supplementary service COLP (Connected Line

Identification Presentation) that enables a calling subscriber to get the connected line identity

(COL) of the called party after setting up a mobile originated call. The command enables or

disables the presentation of the COL at the TE. It has no effect on the execution of the

supplementary service COLR in the network.

When enabled (and called subscriber allows), +COLP:

<number>,<type>[,<subaddr>,<satype> [,<alpha>]] intermediate result code is returned

from TA to TE before any +CR or V.25ter [14] responses. It is manufacturer specific if this

response is used when normal voice call is established.

Read command gives the status of <n>, and also triggers an interrogation of the provision status

of the COLP service according 3GPP TS 22.081 [3] (given in <m>).

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Table 19. +COLP parameter command syntax

Command

Possible response(s)

+COLP=[<n>]

+COLP?

+COLP=?

value

+COLP: <n>,<m>

+COLP: (list of supported <n>s)

<n>(parameter sets/shows the result code presentation status to the TE):

disable

enable

<m>(parameter shows the subscriber COLP service status in the network):

COLP not provisioned

COLP provisioned

unknown (e.g. no network, etc.)

<number>, <type>, <subaddr>, <satype>, <alpha>: refer +CLIP

1.24. Read operator names +COPN

Execute command returns the list of operator names from the MT. Each operator code

<numericn> that has an alphanumeric equivalent <alphan> in the MT memory shall be

returned.

Table 20. +COPN action command syntax

Command

Possible response(s)

+COPN

+COPN: <numeric1>,<alpha1>

[<CR><LF>+COPN: <numeric2>,<alpha2>

[...]]

+CME ERROR: <err>

+COPN=?

value

<numericn>: string type; operator in numeric format (see +COPS)

<alphan>: string type; operator in long alphanumeric format (see +COPS)

1.25. Informative examples

1.25.1.

Operator information reading

Command: AT+COPS?

Expected response: +COPS: mode, format, name

mode possible values:

0: automatic registration

1: manual registration

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3: use for set format, see below

4: manual/automatic. If manual choice fails then make an automatic registration

Format possible values:

0: short alphanumeric format

1: long alphanumeric format

2: numeric format

name is operator name corresponding to the format.

Command: AT+COPS=3, format command used to change the name format

Expected response: OK

Format possible values:

0: short alphanumeric format

1: long alphanumeric format

2: numeric format

1.25.2.

IMSI number reading

Command: AT+CIMI

Expected response: IMSINumber

1.25.3.

GPRS Attachment

Command: AT+CGATT=1

Expected response: OK or ERROR

Command: AT+CGATT?

Expected response: 1 or 0 depending on GPRS attachment

1.25.4.

Network registration

UI waits for registered or Roaming status before going further.

Command: AT+CREG?

Expected response: +CREG: 0,Status

Status possible values:

0 : no network found

1 : registered

2 : not registered, looking for network

3 : registration denied

4 : unknown

5 : roaming

1.25.5.

Own number reading

Command: AT+CNUM

Expected response: +CNUM: “String”,”OwnNumber”

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Mobile Termination control and status

commands

1.26. Basic TE

Table 21. Basic TE

Comman

Req

Description

Support

Mand

+CPAS

Phone activity status

Not Supported

+CFUN

+CMA`R

+CSCC

+CBC

Opt.

Set phone functionality

Master Reset

Not Supported

Not supported

N/A

Secure control command

Battery charge

+CSQ

Signal quality

Supported

Mand

+CMEC

+CKPD

Mobile Termination control mode

Keypad control

N/A

+CDIS

+CIND

Opt.

Display control

Indicator control

Not supported

Mand

+CMER

Mobile Termination event reporting

Not supported

+CCLK

+CALA

+CALD

+CAPD

+CTZU

+CTZR

+CPWC

+CPROT

+CEAP

+CERP

+CLAN

+CLAE

+CSGT

+CSVM

+CALM

+CRSL

+CVIB

Opt.

Clock

Supported

Not supported

N/A

Alarm

Delete alarm

Postpone or dismiss an alarm

Automatic Time Zone Update

Time Zone Reporting

Power class

Enter protocol mode

EAP authentication

EAP Retrieve Parameters

Set Language

Language Event

Set Greeting Text

Set Voice Mail Number

Alert sound mode

Ringer sound level

Vibrator mode

+CLVL

+CMUT

+CRMC

+CRMP

+CLAC

+CSIM

Loudspeaker volume level

Mute control

Ring Melody Control

Ring Melody Playback

List all available AT commands

Generic SIM access

Not supported

Supported

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+CRSM

+CPIN

Opt.

Mand

Restricted SIM access

Enter PIN

Supported

+CGLA

+CRLA

+CCHO

+CCHC

+CUAD

CACM

Generic UICC Logical Channel access

Restricted UICC Logical Channel access

Open Logical Channel

Not supported

N/A

Opt.

Close Logical Channel

UICC Application Discovery

Accumulated call meter

+CAMM

+CPUC

+CCWE

Accumulated call meter maximum

Price per unit and currency table

Call Meter maximum event

N/A

Not supported

1.27. Signal quality +CSQ

Execution command returns received signal strength indication <rssi> and channel bit error rate <ber>

from the MT..

Table 22. +CSQ action command syntax

Command

Possible response(s)

+CSQ

+CSQ: <rssi>,<ber>

+CME ERROR: <err>

+CSQ=?

Value

+CSQ: (list of supported <rssi>s),(list of supported <ber>s)

<rssi>:

0 -113 dBm or less

1 -111 dBm

2...30 -109... -53 dBm

31 -51 dBm or greater

99 not known or not detectable

<ber> (in percent):

0...7 as RXQUAL values in the table in TS 45.008 [20] subclause 8.2.4

99 not known or not detectable

1.28. Clock +CCLK

Set command sets the real-time clock of the MT.

Table 23. +CCLK parameter command syntax

Command

Possible response(s)

+CCLK=<time> +CME ERROR: <err>

+CCLK?

+CCLK: <time>

+CME ERROR: <err>

+CCLK=?

Value

<time>: string type value; format is "yy/MM/dd,hh:mm:ss±zz", where

characters indicate year (two last digits), month, day, hour, minutes,

seconds and time zone (indicates the difference, expressed in quarters of an

hour, between the local time and GMT; range -96...+96). E.g. 6th of May

1994, 22:10:00 GMT+2 hours equals to "94/05/06,22:10:00+08"

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1.29. Band Selection (AT$$MBAND)

This command is used to read and write of the band selection.

Table 24. AT$$MBAND Read Command

Command

TE2

MT2 $$MBAND? <CR>

$$MBAND: [result value] <CR>

<result_code>(OK | ERROR)

Response

TE2

MT2

0 : auto

1 : 850MHz

2 : 2.1GHz

Result Value

3 : Not Setting

Table 25. AT$$MBAND Write Command

Command

TE2

MT2 $$MBAND= <Setting value> <CR>

$$MBAND: [result value] <CR>

MT2

Response

TE2

<result_code>(OK | ERROR)

0 : auto

Setting

Value

1 : 850MHz

2 : 2.1GMHz

0 : Fail

Result value

1 : Success

1.30. Enter PIN +CPIN

Set command sends to the MT a password which is necessary before it can be operated (SIM

PIN, SIM PUK, PH-SIM, PIN, etc.). If the PIN is to be entered twice, the TA shall

automatically repeat the PIN. If no PIN request is pending, no action is taken towards MT

and an error message, +CME ERROR, is returned to TE.

Table 26. +CPIN parameter command syntax

Command

+CPIN=<pin>[,<newpin>]

+CPIN?

Possible response(s)

+CME ERROR: <err>

+CPIN: <code>

+CME ERROR: <err>

+CPIN=?

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Value

“READY”

MT is not pending for any password

MT is waiting SIM PIN to be given

MT is waiting SIM PUK to be given

MT is waiting phone-to-SIM card password

to be given

“SIM PIN”

“SIM PUK”

“PH-SIM PIN”

“PH-FSIM PIN”

MT is waiting phone-to-very first SIM card

password to be given

“PH-FSIM PUK” MT is waiting phone-to-very first SIM card

unblocking password to be given

“SIM PIN2”

MT is waiting SIM PIN2 to be given (this

<code> is recommended to be returned only

when the last executed command resulted in

PIN2 authentication failure (i.e. +CME

ERROR: 17); if PIN2 is not entered right

after the failure, it is recommended that MT

does not block its operation)

“SIM PUK2”

MT is waiting SIM PUK2 to be given (this

<code> is recommended to be returned only

when the last executed command resulted in

PUK2 authentication failure (i.e. +CME

ERROR: 18); if PUK2 and new PIN2 are not

entered right after the failure, it is

recommended that MT does not

block its operation)

“PH-NET PIN”

“PH-NET PUK”

PH-NETSUB”

“PH-NETSUB”

MT is waiting network personalization

password to be given

MT is waiting network personalization

unblocking password to be given

PIN MT is waiting network subset

personalization password to be given

PUK MT is waiting network subset

personalization unblocking password to

be given

“PH-SP PIN”

“PH-SP PUK”

MT is waiting service provider

personalization password to be given

MT is waiting service provider

personalization unblocking password

to be given

“PH-CORP PIN” MT is waiting corporate personalization

password to be given

“PH-CORP PUK” MT is waiting corporate personalization

unblocking password to be given

1.31. Informative examples

1.31.1.

Signal strength reading

Command: AT+CSQ

Expected response: +CSQ: signalstrength,BER

Signalstrength possible values:

0 -113 dBm or less

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1 -111 dBm

2...30 -109... -53 dBm

31 -51 dBm or greater

1.31.2.

Pin registration

The application just allows for an emergency call until PIN code is entered

Command: AT+CPIN?

Expected response: +CPIN: PinStatus

PinStatus possible values:

SIM PIN : waiting for PIN code

READY : PIN code OK

Command: AT+CPIN=”PinCode”,”NewPinCode”

Expected response: OK or ERROR

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Packet Domain Command(GPRS)

1.32. UMTS packet Domain commands

This clause defines commands that a TE may use to control a MT supporting packet switched

services. Other aspects of a Packet Domain MT are described in 3GPP TS 27.060 [34].

It is anticipated that Packet Domain MTs will vary widely in functionality. At one extreme, a MT

supporting CS/PS or class-A mode of operation might support multiple PDP types as well as

circuit switched data, and use multiple external networks and QoS profiles. At the other extreme

a MT supporting only PS or class-C mode of operation might support only a single PDP type

using a single external network, and rely on the HLR to contain the PDP context definition.

A comprehensive set of Packet Domain-specifc commands is defined in clause 10.1 to provide the

flexibility needed by the more complex MT. The commands are designed to be expandable to

accommodate new PDP types and interface protocols, merely by defining new values for many of

the parameters. Multiple contexts may be activated if the interface link-layer protocol is able to

support them. The commands use the extended information and error message capabilities

described in this specification.

For MTs of intermediate complexity, most commands have simplified forms where certain

parameters may be omitted.

For the simplest MTs, and for backwards compatibility with existing communications

software, it is possible to control access to the Packet Domain using existing modem-

compatible commands. A special dial-string syntax is defined for use with the D command.

This "modem compatible" mode of operation is described in subclause 10.2.

A discussion on the interaction of the AT commands, Packet Domain Management and

Packet Data Protocols, together with examples of command sequences for a number of

applications may be found in 3GPP TS 27.060 [34].

Table 27. UMTS packet Domain commands

Command

Req

Description

Support

Supported

Not supported

Supported

Not supported

Supported

+CGDCONT

Mand.

Define PDP Context

+CGDSCONT Opt.

Define Secondary PDP Context

Traffic Flow Template

+CGTFT

Opt.

+CGQREQ

+CGQMIN

+CGEQREQ

+CGEQMIN

+CGEQNEG

+CGATT

Quality of Service Profile (Requested)

Quality of Service Profile (Minimum acceptable)

3G Quality of Service Profile (Requested)

3G Quality of Service Profile (Minimum acceptable)

3G Quality of Service Profile (Negotiated)

PS attach or detach

+CGACT

PDP context activate or deactivate

PDP Context Modify

+CGCMOD

+CGDATA

+CGCLOSP

+CGPADDR

Enter data state

Configure local Octet Stream PAD parameters

Show PDP address

Automatic response to a network request for PDP context

activation

+CGAUTO

Opt.

Not supported

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Manual response to a network request for PDP context

activation

GPRS mobile station class

+CGANS

Opt.

Not supported

Supported

+CGCLASS

Opt.

+CGCLPAD

(GPRS only)

+CGEREP

Configure local triple-X PAD parameters

Not supported

Opt.

Packet Domain event reporting

Supported

+CGREG

+CGSMS

GPRS network registration status

Select service for MO SMS messages

1.32.1.

Define PDP Context +CGDCONT

The set command specifies PDP context parameter values for a PDP context identified by the

(local) context identification parameter, <cid>. The number of PDP contexts that may be in a

defined state at the same time is given by the range returned by the test command.

A special form of the set command, +CGDCONT= <cid> causes the values for context number

<cid>to become undefined.

The read command returns the current settings for each defined context.

The test command returns values supported as a compound value. If the MT supports several

PDP types, <PDP_type>, the parameter value ranges for each <PDP_type> are returned on a

separate line.

Table 28. +CGDCONT parameter command syntax

Command

Possible response(s)

+CGDCONT=[<cid>

[,<PDP_type> [,<APN>

[,<PDP_addr>

ERROR

,<d_comp>[,<h_comp>

[,<pd1>

[,…[,pdN]]]]]]]]]

+CGDCONT?

+CGDCONT: <cid>, <PDP_type>,

<APN>,<PDP_addr>,<d_comp>, <h_comp>[,<pd1>[,…[,pdN]]]

[<CR><LF>+CGDCONT:<cid>,<PDP_type>, <APN>,<PDP_addr>,<d_comp>,

<h_comp>[,<pd1>[,…[,pdN]]]

[...]]

+CGDCONT=?

+CGDCONT: (range of supported <cid>s), <PDP_type>,,,(list of supported

<d_comp>s),

(list of supported <h_comp>s)[,(list of supported <pd1>s)[,…[,(list of

supported <pdN>s)]]]

[<CR><LF>+CGDCONT: (range of supported <cid>s), <PDP_type>,,,(list of

supported <d_comp>s),

(list of supported <h_comp>s)[,(list of supported <pd1>s)[,…[,(list of

supported <pdN>s)]]]

[...]]

<cid>: (PDP Context Identifier) a numeric parameter which specifies a particular PDP

context definition. The parameter is local to the TE-MT interface and is used in other

PDP context-related commands. The range of permitted values (minimum value = 1) is

Value

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returned by the test form of the command.

<PDP_type>: (Packet Data Protocol type) a string parameter which specifies the type of

packet data protocol

X.25

ITU-T/CCITT X.25 layer 3 (Obsolete)

Internet Protocol (IETF STD 5)

IPV6

Internet Protocol, version 6 (IETF RFC 2460)

OSPIHInternet Hosted Octect Stream Protocol (Obsolete)

PPP Point to Point Protocol (IETF STD 51)

<APN>: (Access Point Name) a string parameter which is a logical name that is used to

select the GGSN or the external packet data network.

If the value is null or omitted, then the subscription value will be requested.

<PDP_address>: a string parameter that identifies the MT in the address space

applicable to the PDP.

If the value is null or omitted, then a value may be provided by the TE during the PDP

startup procedure or, failing that, a dynamic address will be requested.

The read form of the command will continue to return the null string even if an address

has been allocated during the PDP startup procedure. The allocated address may be read

using the +CGPADDR command.

<d_comp>: a numeric parameter that controls PDP data compression (applicable for

SNDCP only) (refer 3GPP TS 44.065 [61])

0 - off (default if value is omitted)

1 - on (manufacturer preferred compression)

2 - V.42bis

3 - V.44

Other values are reserved.

<h_comp>: a numeric parameter that controls PDP header compression (refer 3GPP TS

44.065 [61] and 3GPP TS 25.323 [62])

0 - off (default if value is omitted)

1 - on (manufacturer preferred compression)

2 - RFC1144 (applicable for SNDCP only)

3 - RFC2507

4 - RFC3095 (applicable for PDCP only)

Other values are reserved.

<pd1>, … <pdN>: zero to N string parameters whose meanings are specific to the

<PDP_type>

1.32.2.

Define Secondary PDP Context +CGDSCONT

The set command specifies PDP context parameter values for a Secondary PDP context identified

by the (local) context identification parameter, <cid>. The number of PDP contexts that may be

in a defined state at the same time is given by the range returned by the test command.

A special form of the set command, +CGDSCONT= <cid> causes the values for context number

<cid>to become undefined..

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Table 29. +CGDCONT parameter command syntax

Command

Possible response(s)

+CGDSCONT=[<cid> ,

<p_cid> [,<d_comp>ERROR

[,<h_comp>]]]

+CGDSCONT?

+CGDSCONT: <cid>, <p_cid>, <d_comp>, <h_comp>

[<CR><LF>+CGDSCONT: <cid>, <p_cid>, <d_comp>, <h_comp>

[...]]

+CGDSCONT=?

Value

+CGDSCONT: (range of supported <cid>s), (list of <cid>s for

active primary contexts), (list of supported <d_comp>s),

(list of supported <h_comp>s)

<cid>: (PDP Context Identifier) a numeric parameter which specifies a particular PDP

context definition. The parameter is local to the TE-MT interface and is used in other

PDP context-related commands. The range of permitted values (minimum value = 1) is

returned by the test form of the command.

<p_cid>: (Primary PDP Context Identifier) a numeric parameter which specifies a

particular PDP context definition which has been specified by use of the +CGDCONT

command. The parameter is local to the TE-MT interface. The list of permitted values is

returned by the test form of the command.

<d_comp>: a numeric parameter that controls PDP data compression (applicable for

SNDCPonly) (refer 3GPP TS 44.065 [61])

0 - off (default if value is omitted)

1 - on (manufacturer preferred compression)

2 - V.42bis

3 - V.44

Other values are reserved.

<h_comp>: a numeric parameter that controls PDP header compression (refer 3GPP TS

44.065 [61] and 3GPP TS 25.323 [62])

0 - off (default if value is omitted)

1 - on (manufacturer preferred compression)

2 - RFC1144 (applicable for SNDCP only)

3 - RFC2507

4 - RFC3095 (applicable for PDCP only)

Other values are reserved.

1.32.3.

Traffic Flow Template +CGTFT

This command allows the TE to specify a Packet Filter - PF for a Traffic Flow Template - TFT that

is used in the GGSN for routing of down-link packets onto different QoS flows towards the TE.

The concept is further described in the 3GPP TS 23.060[47]. A TFT consists of from one and up

to eight Packet Filters, each identified by a unique <packet filter identifier>. A Packet

Filter also has an <evaluation precedence index> that is unique within all TFTs associated

with all PDP contexts that are associated with the same PDP address.

The set command specifies a Packet Filters that is to be added to the TFT stored in the MT and

used for the context identified by the (local) context identification parameter, <cid>. The

specified TFT will be stored in the GGSN only at activation or MS-initiated modification of the

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related context. Since this is the same parameter that is used in the +CGDCONT and

+CGDSCONT commands, the +CGTFT command is effectively an extension to these commands.

The Packet Filters consist of a number of parameters, each of which may be set to a separate

value.

A special form of the set command, +CGTFT= <cid>causes all of the Packet Filters in the TFT for

context number <cid> to become undefined. At any time there may exist only one PDP context

with no associated TFT amongst all PDP contexts associated to one PDP address. At an attempt

to delete a TFT, which would violate this rule, an ERROR or +CME ERROR response is returned.

Extended error responses are enabled by the +CMEE command.

The read command returns the current settings for all Packet Filters for each defined context.

The test command returns values supported as a compound value. If the MT supports several

PDP types, the parameter value ranges for each PDP type are returned on a separate line. TFTs

shall be used for PDP-type IP and PPP only. For PDP-type PPP a TFT is applicable only when IP

traffic is carried over PPP. If PPP carries header-compressed IP packets, then a TFT cannot be

used.

Table 30. + CGTFT parameter command syntax

Command

Possible response(s)

+CGTFT=[<cid>,

[<packet

identifier>,

<evaluation

precedence

[,<source address and

subnet

[,<protocol

ERROR

filter

index>

mask>

number

(ipv4) / next header

(ipv6)>

[,<destination

port

range> [,<source port

range>

[,<ipsec

security

parameter

index (spi)> [,<type

service

(tos)

(ipv4) and mask /

traffic class (ipv6)

and mask> [,<flow

label

]]]]]]]]]

(ipv6)>

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+CGTFT?

+CGTFT: <cid>, <packet filter identifier>, <evaluation

precedence index>, <source address and subnet mask>, <protocol

number (ipv4) / next header (ipv6)>, <destination port range>,

<source port range>, <ipsec security parameter index (spi)>,

<type of service (tos) (ipv4) and mask / traffic class (ipv6)

and mask>, <flow label (ipv6)>

[<CR><LF>+CGTFT: <cid>, <packet filter identifier>, <evaluation

precedence index>, <source address and subnet mask>, <protocol

number (ipv4) / next header (ipv6)>, <destination port range>,

<source port range>, <ipsec security parameter index (spi)>,

<type of service (tos) (ipv4) and mask / traffic class (ipv6)

and mask>, <flow label (ipv6)>

[…]]

+CGTFT=?

+CGTFT: <PDP_type>, (list of supported <packet filter

identifier>s), (list of supported <evaluation precedence

index>s), (list of supported <source address and subnet mask>s),

(list of supported <protocol number (ipv4) / next header

(ipv6)>s), (list of supported <destination port range>s), (list

of supported <source port range>s), (list of supported <ipsec

security parameter index (spi)>s), (list of supported <type of

service (tos) (ipv4) and mask / traffic class (ipv6) and

mask>s), (list of supported <flow label (ipv6)>s)

[<CR><LF>+CGTFT: <PDP_type>, (list of supported <packet filter

identifier>s), (list of supported <evaluation precedence

index>s), (list of supported <source address and subnet mask>s),

(list of supported <protocol number (ipv4) / next header

(ipv6)>s), (list of supported <destination port range>s), (list

of supported <source port range>s), (list of supported <ipsec

security parameter index (spi)>s), (list of supported <type of

service (tos) (ipv4) and mask / traffic class (ipv6) and

mask>s), (list of supported <flow label (ipv6)>s)

[…]]

<cid>: a numeric parameter which specifies a particular PDP context definition (see the

Value

+CGDCONT and +CGDSCONT commands).

The following parameters are defined in 3GPP TS 23.060[47] -

<packet filter identifier>: Numeric parameter, value range from 1 to 8.

<source address and subnet mask>: Consists of dot-separated numeric (0-255)

parameters on the form 'a1.a2.a3.a4.m1.m2.m3.m4', for IPv4 and

'a1.a2.a3.a4.a5.a6.a7.a8.a9.a10.a11.a12.a13.a14.a15.a16.

m1.m2.m3.m4.m5.m6.m7.m8.m9.m10.m11.m12.m13.m14.m15.m16', for IPv6.

<protocol number (ipv4) / next header (ipv6)>: Numeric parameter,

value range from 0 to 255.

<destination port range>: Consists of dot-separated numeric (0-65535)

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parameters on the form 'f.t'.

<source port range>:Consists of dot-separated numeric (0-65535) parameters on the

form 'f.t'.

<ipsec security parameter index (spi)>: Hexadecimal parameter,

value range from 00000000 to FFFFFFFF.

<type of service (tos) (ipv4) and mask / traffic class (ipv6)

and mask>:

Dot-separated numeric (0-255) parameters on the form 't.m'.

<flow label (ipv6)>: Hexadecimal parameter, value range from 00000 to FFFFF.

Valid for IPv6 only.

<evaluation precedence index>: Numeric parameter, value range from 0 to 255.

Some of the above listed attributes may coexist in a Packet Filter while others mutually exclude

each other, the possible combinations are shown in 3GPP TS 23.060[47].

1.32.4.

Quality of Service Profile (Requested) +CGQREQ

This command allows the TE to specify a Quality of Service Profile that is used when the MT

sends an Activate PDP Context Request message to the network.

The set command specifies a profile for the context identified by the (local) context identification

parameter, <cid>. Since this is the same parameter that is used in the +CGDCONT and

+CGDSCONT commands, the +CGQREQ command is effectively an extension to these

commands. The QoS profile consists of a number of parameters, each of which may be set to a

separate value.

A special form of the set command, +CGQREQ= <cid> causes the requested profile for context

number <cid>to become undefined.

The read command returns the current settings for each defined context.

The test command returns values supported as a compound value. If the MT supports several

PDP types, the parameter value ranges for each PDP type are returned on a separate line.

Table 31. + CGQREQ parameter command syntax

Command

Possible response(s)

+CGQREQ=[<cid>

[,<precedence>

[,<delay>

ERROR

[,<reliability.>

[,<peak>

[,<mean>]]]]]]

+CGQREQ?

+CGQREQ:<cid>,<precedence>,<delay>,<reliability>,

[<CR><LF>+CGQREQ:<cid>,<precedence>,<delay>,

<reliability.>,<peak>,<mean>[…]]

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+CGQREQ=?

+CGQREQ: <PDP_type>, (list of supported <precedence>s), (list

of supported <delay>s), (list of supported <reliability>s) ,

(list of supported <peak>s), (list of supported <mean>s)

[<CR><LF>+CGQREQ:<PDP_type>,(list of supported

<precedence>s), (list of supported <delay>s), (list of

supported <reliability>s) , (list of supported <peak>s), (list

of supported <mean>s)[…]]

<cid>: a numeric parameter which specifies a particular PDP context definition (see the

Value

+CGDCONT and +CGDSCONT commands).

The following parameters are defined in 3GPP TS 23.107 [46]:

<precedence>: a numeric parameter which specifies the precedence class

<delay>: a numeric parameter which specifies the delay class

<reliability>: a numeric parameter which specifies the reliability class

<peak>: a numeric parameter which specifies the peak throughput class

<mean>: a numeric parameter which specifies the mean throughput class

If a value is omitted for a particular class then the value is considered to be

unspecified.

1.32.5.

Quality of Service Profile (Minimum acceptable) +CGQMIN

This command allows the TE to specify a minimum acceptable profile which is checked by the

MT against the negotiated profile returned in the Activate PDP Context Accept message.

The set command specifies a profile for the context identified by the (local) context identification

parameter, <cid>. Since this is the same parameter that is used in the +CGDCONT and

+CGDSCONT commands, the +CGQMIN command is effectively an extension to these commands.

The QoS profile consists of a number of parameters, each of which may be set to a separate

value.

A special form of the set command, +CGQMIN= <cid>causes the minimum acceptable profile for

context number <cid> to become undefined. In this case no check is made against the

negotiated profile.

The read command returns the current settings for each defined context.

The test command returns values supported as a compound value. If the MT supports several

PDP types, the parameter value ranges for each PDP type are returned on a separate line.

Table 32. + CGQMIN parameter command syntax

Command

Possible response(s)

+CGQMIN=[<cid> OK

[,<precedence

[,<delay>

ERROR

[,<reliability.>

[,<peak>

[,<mean>]]]]]]

+CGQMIN?

+CGQMIN: <cid>, <precedence >, <delay>, <reliability>,

<peak>,<mean>[<CR><LF>+CGQMIN: <cid>, <precedence >, <delay>,

<reliability.>,<peak>,<mean>[…]]

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+CGQMIN=?

+CGQMIN: <PDP_type>, (list of supported <precedence>s), (list

of supported <delay>s), (list of supported <reliability>s) ,

(list of supported <peak>s), (list of supported <mean>s)

[<CR><LF>+CGQMIN:

<PDP_type>,

(list

supported

<precedence>s), (list of supported <delay>s), (list of

supported <reliability>s) , (list of supported <peak>s), (list

of supported <mean>s)[…]]

<cid>: a numeric parameter which specifies a particular PDP context definition (see the

Value

+CGDCONT and +CGDSCONT commands).

The following parameters are defined in -3GPP TS 23.107 [46]:

<precedence>: a numeric parameter which specifies the precedence class

<delay>: a numeric parameter which specifies the delay class

<reliability>: a numeric parameter which specifies the reliability class

<peak>: a numeric parameter which specifies the peak throughput class

<mean>: a numeric parameter which specifies the mean throughput class

If a value is omitted for a particular class then this class is not checked

1.32.6.

3G Quality of Service Profile (Requested) +CGEQREQ

This command allows the TE to specify a UMTS Quality of Service Profile that is used when the

MT sends an Activate PDP Context Request message to the network.

The set command specifies a profile for the context identified by the (local) context identification

parameter, <cid>. The specified profile will be stored in the MT and sent to the network only at

activation or MS-initiated modification of the related context. Since this is the same parameter

that is used in the +CGDCONT and +CGDSCONT commands, the +CGEQREQ command is

effectively an extension to these commands. The QoS profile consists of a number of parameters,

each of which may be set to a separate value.

A special form of the set command, +CGEQREQ= <cid> causes the requested profile for context

number <cid>to become undefined.

The read command returns the current settings for each defined context.

The test command returns values supported as a compound value. If the MT supports several

PDP types, the parameter value ranges for each PDP type are returned on a separate line..

Table 33. + CGEQREQ parameter command syntax

Command

Possible response(s)

+CGEQREQ=[<cid> [,<TrafficOK

class> [,<Maximum bitrate

ERROR

UL> [,<Maximum bitrate DL>

[,<Guaranteed bitrate UL>

[,<Guaranteed bitrate DL>

[,<Delivery

[,<Maximum

[,<SDU

order>

size>

ratio>

error

SDUs>

delay>

SDU

error

bit

[,<Residual

ratio>

erroneous

[,<Delivery

[,<Transfer

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[,<Traffic

handling

priority> ]]]]]]]]]]]]]

+CGEQREQ?

+CGEQREQ: <cid>, <Traffic class> ,<Maximum bitrate

UL> ,<Maximum bitrate DL> ,<Guaranteed bitrate UL>

,<Guaranteed bitrate DL> ,<Delivery order> ,<Maximum

SDU size> ,<SDU error ratio> ,<Residual bit error

ratio> ,<Delivery of erroneous SDUs> ,<Transfer

delay> ,<Traffic handling priority>

[<CR><LF>+CGEQREQ: <cid>, <Traffic class> ,<Maximum

bitrate UL> ,<Maximum bitrate DL> ,<Guaranteed

bitrate UL> ,<Guaranteed bitrate DL> ,<Delivery

order> ,<Maximum SDU size> ,<SDU error ratio>

,<Residual bit error ratio> ,<Delivery of erroneous

SDUs> ,<Transfer delay> ,<Traffic handling priority>

[…]]

+CGEQREQ=?

+CGEQREQ: <PDP_type>, (list of supported <Traffic

class>s) ,(list of supported <Maximum bitrate UL>s),

(list of supported <Maximum bitrate DL>s), (list of

supported <Guaranteed bitrate UL>s), (list of

supported <Guaranteed bitrate DL>s),(list of

supported <Delivery order>s) ,(list of supported

<Maximum SDU size>s) ,(list of supported <SDU error

ratio>s) ,(list of supported <Residual bit error

ratio>s) ,(list of supported <Delivery of erroneous

SDUs>s) ,(list of supported <Transfer delay>s)

,(list of supported <Traffic handling priority>s)

[<CR><LF>+CGEQREQ: <PDP_type>, (list of supported

<Traffic class>s) ,(list of supported <Maximum

bitrate UL>s), (list of supported <Maximum bitrate

DL>s), (list of supported <Guaranteed bitrate UL>s),

(list of supported <Guaranteed bitrate DL>s),(list

of supported <Delivery order>s) ,(list of supported

<Maximum SDU size>s) ,(list of supported <SDU error

ratio>s) ,(list of supported <Residual bit error

ratio>s) ,(list of supported <Delivery of erroneous

SDUs>s) ,(list of supported <Transfer delay>s)

,(list of supported <Traffic handling priority>s)

[…]]

<cid>: a numeric parameter which specifies a particular PDP context

Value

definition (see +CGDCONT and +CGDSCONT commands).

The following parameters are defined in 3GPP TS 23.107 [46] -

<Traffic class>:a numeric parameter that indicates the type of

application for which the UMTS bearer service is optimised.

0 - conversational

1 - streaming

2 - interactive

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3 - background

4 - subscribed value

If the Traffic class is specified as conversational or streaming, then the

Guaranteed and Maximum bitrate parameters should also be

provided. Other values are reserved.

<Maximum bitrate UL>:a numeric parameter that indicates the

maximum number of kbits/s delivered to UMTS (up-link traffic) at a

SAP. As an example a bitrate of 32kbit/s would be specified as '32'

(e.g. AT+CGEQREQ=…,32, …). This parameter should be provided

if the Traffic class is specified as conversational or streaming (refer TS

24.008 [8] subclause 10.5.6.5).

<Maximum bitrate DL>:a numeric parameter that indicates the

maximum number of kbits/s delivered by UMTS (down-link traffic) at

a SAP. As an example a bitrate of 32kbit/s would be specified as '32'

(e.g. AT+CGEQREQ=…,32, …). If the parameter is set to '0' the

subscribed value will be requested. This parameter should be provided

if the Traffic class is specified as conversational or streaming (refer TS

24.008 [8] subclause 10.5.6.5).

<Guaranteed bitrate UL>:a numeric parameter that indicates the

guaranteed number of kbits/s delivered to UMTS (up-link traffic) at a

SAP (provided that there is data to deliver). As an example a bitrate of

32kbit/s would be specified as '32' (e.g. AT+CGEQREQ=…,32, …). If

the parameter is set to '0' the subscribed value will be requested. This

parameter should be provided if the Traffic class is specified as

conversational or streaming (refer TS 24.008 [8] subclause 10.5.6.5).

<Guaranteed bitrate DL>:a numeric parameter that indicates the

guaranteed number of kbits/s delivered by UMTS (down-link traffic)

at a SAP (provided that there is data to deliver). As an example a

bitrate of 32kbit/s would be specified as '32' (e.g.

AT+CGEQREQ=…,32, …). If the parameter is set to '0' the

subscribed value will be requested. This parameter should be provided

if the Traffic class is specified as conversational or streaming (refer TS

24.008 [8] subclause 10.5.6.5).

<Delivery order>:a numeric parameter that indicates whether the

UMTS bearer shall provide in-sequence SDU delivery or not.

0 - no

1 - yes

2 - subscribed value.

Other values are reserved.

<Maximum SDU size>:a numeric parameter (1,2,3,…) that indicates

the maximum allowed SDU size in octets. If the parameter is set to '0'

the subscribed value will be requested (refer TS 24.008 [8] subclause

10.5.6.5).

<SDU error ratio>:a string parameter that indicates the target

value for the fraction of SDUs lost or detected as erroneous. SDU error

ratio is defined only for conforming traffic. The value is specified as

'mEe'. As an example a target SDU error ratio of 5•10^-3would be

specified as '5E3' (e.g. AT+CGEQREQ=…,”5E3”,…). '0E0' means

subscribed value (refer TS 24.008 [8] subclause 10.5.6.5).

<Residual bit error ratio>:a string parameter that indicates

the target value for the undetected bit error ratio in the delivered

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SDUs. If no error detection is requested, Residual bit error ratio

indicates the bit error ratio in the delivered SDUs. The value is

specified as 'mEe'. As an example a target residual bit error ratio of

5•10^-3would be specified as '5E3' (e.g. AT+CGEQREQ=…,”5E3”,…).

'0E0' means subscribed value (refer TS 24.008 [8] subclause 10.5.6.5).

<Delivery of erroneous SDUs>:a numeric parameter that

indicates whether SDUs detected as erroneous shall be delivered or

not.

0 - no

1 - yes

2 - no detect

3 - subscribed value

Other values are reserved.

<Transfer delay>:a numeric parameter (0,1,2,…) that indicates the

targeted time between request to transfer an SDU at one SAP to its

delivery at the other SAP, in milliseconds. If the parameter is set to '0'

the subscribed value will be requested (refer TS 24.008 [8] subclause

10.5.6.5).

<Traffic handling priority>:a numeric parameter (1,2,3,…)

that specifies the relative importance for handling of all SDUs

belonging to the UMTS bearer compared to the SDUs of other bearers.

If the parameter is set to '0' the subscribed value will be requested

(refer TS 24.008 [8] subclause 10.5.6.5).

<PDP_type>: (see +CGDCONT and +CGDSCONT commands).

If a value is omitted for a particular class then the value is

considered to be unspecified

1.32.7.

3G Quality of Service Profile (Minimum acceptable) +CGEQMIN

This command allows the TE to specify a minimum acceptable profile, which is checked by

the MT against the negotiated profile returned in the Activate/Modify PDP Context Accept

message.

The set command specifies a profile for the context identified by the (local) context

identification parameter, <cid>. The specified profile will be stored in the MT and checked

against the negotiated profile only at activation or MS-initiated modification of the related

context. Since this is the same parameter that is used in the +CGDCONT and +CGDSCONT

commands, the +CGEQMIN command is effectively an extension to these commands. The

QoS profile consists of a number of parameters, each of which may be set to a separate

value.

A special form of the set command, +CGEQMIN= <cid> causes the minimum acceptable

profile for context number <cid> to become undefined. In this case no check is made

against the negotiated profile.

The read command returns the current settings for each defined context.

The test command returns values supported as a compound value. If the MT supports

several PDP types, the parameter value ranges for each PDP type are returned on a separate

line.

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Table 34. + CGEQMIN parameter command syntax

Command

Possible response(s)

+CGEQMIN=[<cid> [,<TrafficOK

class> [,<Maximum bitrate

ERROR

UL> [,<Maximum bitrate DL>

[,<Guaranteed bitrate UL>

[,<Guaranteed bitrate DL>

[,<Delivery

order>

[,<Maximum SDU size> [,<SDU

error ratio> [,<Residual

bit

error

ratio>

[,<Delivery of erroneous

SDUs> [,<Transfer delay>

[,<Traffic

handling

priority>]]]]]]]]]]]]]

+CGEQMIN?

+CGEQMIN: <cid>, <Traffic class> ,<Maximum

bitrate UL>, <Maximum bitrate DL> ,<Guaranteed

bitrate UL> ,<Guaranteed bitrate DL>, <Delivery

order> ,<Maximum SDU size> ,<SDU error ratio>

,<Residual bit error ratio> ,<Delivery of

erroneous SDUs> ,<Transfer delay> ,<Traffic

handling priority>

[<CR><LF>+CGEQMIN: <cid>, <Traffic class>

,<Maximum bitrate UL> ,<Maximum bitrate DL>

,<Guaranteed bitrate UL> ,<Guaranteed bitrate

DL>, <Delivery order> ,<Maximum SDU size> ,<SDU

error ratio> ,<Residual bit error ratio>

,<Delivery of erroneous SDUs> ,<Transfer delay>

,<Traffic handling priority>

[…]]

+CGEQMIN=?

+CGEQMIN: <PDP_type>, (list of supported

<Traffic class>s) ,(list of supported <Maximum

bitrate UL>s) ,(list of supported <Maximum

bitrate DL>s), (list of supported <Guaranteed

bitrate UL>s), (list of supported <Guaranteed

bitrate DL>s) ,(list of supported <Delivery

order>s) ,(list of supported <Maximum SDU

size>s) ,(list of supported <SDU error ratio>s)

,(list of supported <Residual bit error ratio>s)

,(list of supported <Delivery of erroneous

SDUs>s) ,(list of supported <Transfer delay>s)

,(list

priority>s)

[<CR><LF>+CGEQMIN:

supported

<Traffic

handling

<PDP_type>,

(list of

supported <Traffic class>s) ,(list of supported

<Maximum bitrate UL>s), (list of supported

<Maximum bitrate DL>s) ,(list of supported

<Guaranteed bitrate UL >s), (list of supported

<Guaranteed bitrate DL >s) ,(list of supported

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<Delivery order>s) ,(list of supported <Maximum

SDU size>s) ,(list of supported <SDU error

ratio>s) ,(list of supported <Residual bit error

ratio>s) ,(list of supported <Delivery of

erroneous SDUs>s) ,(list of supported <Transfer

delay>s) ,(list of supported <Traffic handling

priority>s)

[…]]

<cid>: a numeric parameter which specifies a particular PDP

context definition (see +CGDCONT and +CGDSCONT

commands).

Value

The following parameters are defined in 3GPP TS 23.107

[46] -

<Traffic class>:a numeric parameter that indicates the type

of application for which the UMTS bearer service is optimised.

0 - conversational

1 - streaming

2 - interactive

3 - background

Other values are reserved.

<Maximum bitrate UL>:a numeric parameter that indicates

the maximum number of kbits/s delivered to UMTS (up-link

traffic) at a SAP. As an example a bitrate of 32kbit/s would be

specified as '32' (e.g. AT+CGEQMIN=…,32, …) (refer TS

24.008 [8] subclause 10.5.6.5).

<Maximum bitrate DL>:a numeric parameter that indicates

the maximum number of kbits/s delivered by UMTS (down-link

traffic) at a SAP. As an example a bitrate of 32kbit/s would be

specified as '32' (e.g. AT+CGEQMIN=…,32, …) (refer TS

24.008 [8] subclause 10.5.6.5).

<Guaranteed bitrate UL>:a numeric parameter that

indicates the guaranteed number of kbits/s delivered to UMTS

(up-link traffic) at a SAP (provided that there is data to deliver).

As an example a bitrate of 32kbit/s would be specified as '32'

(e.g. AT+CGEQMIN=…,32, …) (refer TS 24.008 [8] subclause

10.5.6.5).

<Guaranteed bitrate DL>:a numeric parameter that

indicates the guaranteed number of kbits/s delivered by UMTS

(down-link traffic) at a SAP (provided that there is data to

deliver). As an example a bitrate of 32kbit/s would be specified

as '32' (e.g. AT+CGEQMIN=…,32, …) (refer TS 24.008 [8]

subclause 10.5.6.5).

<Delivery order>:a numeric parameter that indicates

whether the UMTS bearer shall provide in-sequence SDU

delivery or not.

0 - no

1 - yes

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Other values are reserved.

<Maximum SDU size>:a numeric parameter (1,2,3,…) that

indicates the maximum allowed SDU size in octets (refer TS

24.008 [8] subclause 10.5.6.5).

<SDU error ratio>:a string parameter that indicates the

target value for the fraction of SDUs lost or detected as

erroneous. SDU error ratio is defined only for conforming

traffic. The value is specified as 'mEe'. As an example a target

SDU error ratio of 5•10^-3would be specified as '5E3' (e.g.

AT+CGEQMIN=…,”5E3”,…) (refer TS 24.008 [8] subclause

10.5.6.5).

<Residual bit error ratio>:a string parameter that

indicates the target value for the undetected bit error ratio in the

delivered SDUs. If no error detection is requested, Residual bit

error ratio indicates the bit error ratio in the delivered SDUs.

The value is specified as 'mEe'. As an example a target residual

bit error ratio of 5•10^-3would be specified as '5E3' (e.g.

AT+CGEQMIN=…,”5E3”,…) (refer TS 24.008 [8] subclause

10.5.6.5).

<Delivery of erroneous SDUs>:a numeric parameter

that indicates whether SDUs detected as erroneous shall be

delivered or not.

0 - no

1 - yes

2 - no detect

Other values are reserved.

<Transfer delay>:a numeric parameter (0,1,2,…) that

indicates the targeted time between request to transfer an SDU

at one SAP to its delivery at the other SAP, in milliseconds

(refer TS 24.008 [8] subclause 10.5.6.5).

<Traffic handling priority>:a numeric parameter

(1,2,3,…) that specifies the relative importance for handling of

all SDUs belonging to the UMTS bearer compared to the SDUs

of other bearers (refer TS 24.008 [8] subclause 10.5.6.5).

<PDP_type>: (see +CGDCONT and +CGDSCONT

commands).

If a value is omitted for a particular class then the value is

considered to be unspecified.

1.32.8.

3G Quality of Service Profile (Negotiated) +CGEQNEG

This command allows the TE to retrieve the negotiated QoS profiles returned in the Activate

PDP Context Accept message.

The execution command returns the negotiated QoS profile for the specified context

identifiers, <cid>s. The QoS profile consists of a number of parameters, each of which may

have a separate value.

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The test command returns a list of <cid>s associated with active contexts

Table 35. +CGEQNEG action command syntax

Command

Possible response(s)

+CGEQNEG

=[<cid>[,<cid>

[,…]]]

+CGEQNEG: <cid>, <Traffic class> ,<Maximum bitrate UL>,

<Maximum bitrate DL> ,<Guaranteed bitrate UL>, <Guaranteed

bitrate DL> ,<Delivery order> ,<Maximum SDU size> ,<SDU error

ratio> ,<Residual bit error ratio> ,<Delivery of erroneous

SDUs> ,<Transfer delay> ,<Traffic handling priority>

[<CR><LF>+CGEQNEG: <cid>, <Traffic class> ,<Maximum bitrate

UL>, <Maximum bitrate DL> ,<Guaranteed bitrate UL>,

,<SDU error ratio> ,<Residual bit error ratio> ,<Delivery of

erroneous SDUs> ,<Transfer delay> ,<Traffic handling

priority>

[…]]

+CGEQNEG=?

Value

+CGEQNEG: (list of <cid>s associated with active contexts)

<cid>: a numeric parameter which specifies a particular PDP context definition (see

+CGDCONT and +CGDSCONT commands).

The following parameters are defined in 3GPP TS 23.107 [46] -

<Traffic class>:a numeric parameter that indicates the type of application for

which the UMTS bearer service is optimised.

0 - conversational

1 - streaming

2 - interactive

3 - background

Other values are reserved.

<Maximum bitrate UL>:a numeric parameter that indicates the maximum

number of kbits/s delivered to UMTS (up-link traffic) at a SAP. As an example a

bitrate of 32kbit/s would be specified as '32' (e.g. +CGEQNEG:…,32, …) (refer TS

24.008 [8] subclause 10.5.6.5).

<Maximum bitrate DL>:a numeric parameter that indicates the maximum

number of kbits/s delivered by UMTS (down-link traffic) at a SAP As an example a

bitrate of 32kbit/s would be specified as '32' (e.g. +CGEQNEG:…,32, …) (refer TS

24.008 [8] subclause 10.5.6.5).

<Guaranteed bitrate UL>:a numeric parameter that indicates the guaranteed

number of kbits/s delivered to UMTS (up-link traffic) at a SAP (provided that there

is data to deliver). As an example a bitrate of 32kbit/s would be specified as '32'

(e.g. +CGEQNEG:…,32, …) (refer TS 24.008 [8] subclause 10.5.6.5).

<Guaranteed bitrate DL>:a numeric parameter that indicates the guaranteed

number of kbits/s delivered by UMTS (down-link traffic) at a SAP (provided that

there is data to deliver). As an example a bitrate of 32kbit/s would be specified as

'32' (e.g. +CGEQNEG:…,32, …) (refer TS 24.008 [8] subclause 10.5.6.5).

<Delivery order>:a numeric parameter that indicates whether the UMTS bearer

shall provide in-sequence SDU delivery or not.

0 - no

1 - yes

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Other values are reserved.

<Maximum SDU size>:a numeric parameter that (1,2,3,…) indicates the

maximum allowed SDU size in octets (refer TS 24.008 [8] subclause 10.5.6.5).

<SDU error ratio>:a string parameter that indicates the target value for the

fraction of SDUs lost or detected as erroneous. SDU error ratio is defined only for

conforming traffic. The value is specified as 'mEe'. As an example a target SDU

error ratio of 5•10^-3would be specified as '5E3' (e.g. +CGEQNEG:…,”5E3”,…)

(refer TS 24.008 [8] subclause 10.5.6.5).

<Residual bit error ratio>:a string parameter that indicates the target

value for the undetected bit error ratio in the delivered SDUs. If no error detection is

requested, Residual bit error ratio indicates the bit error ratio in the delivered SDUs.

The value is specified as 'mEe'. As an example a target residual bit error ratio of

5•10^-3would be specified as '5E3' (e.g. +CGEQNEG:…,”5E3”,…) (refer TS

24.008 [8] subclause 10.5.6.5).

<Delivery of erroneous SDUs>:a numeric parameter that indicates whether

SDUs detected as erroneous shall be delivered or not.

0 - no

1 - yes

2 - no detect

Other values are reserved.

<Transfer delay>:a numeric parameter (0,1,2,…) that indicates the targeted

time between request to transfer an SDU at one SAP to its delivery at the other

SAP, in milliseconds (refer TS 24.008 [8] subclause 10.5.6.5).

<Traffic handling priority>:a numeric parameter (1,2,3,…) that specifies

the relative importance for handling of all SDUs belonging to the UMTS bearer

compared to the SDUs of other bearers (refer TS 24.008 [8] subclause 10.5.6.5).

If a value is omitted for a particular class then the value is considered to

be unspecified.

1.32.9.

PS attach or detach +CGATT

The execution command is used to attach the MT to, or detach the MT from, the Packet

Domain service. After the command has completed, the MT remains in V.25ter command

state. If the MT is already in the requested state, the command is ignored and the OK

response is returned. If the requested state cannot be achieved, an ERROR or +CME ERROR

response is returned. Extended error responses are enabled by the +CMEE command.

Any active PDP contexts will be automatically deactivated when the attachment state

changes to detached.

The read command returns the current Packet Domain service state.

The test command is used for requesting information on the supported Packet Domain

service states.

NOTE:

This command has the characteristics of both the V.25ter action and parameter

commands. Hence it has the read form in addition to the execution/set and test forms.

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Table 36. + CGATT parameter command syntax

Command

Possible response(s)

+CGATT=

[<state>]

ERROR

+CGATT?

+CGATT: <state>

+CGATT=?

+CGATT: (list of supported <state>s)

<state>: indicates the state of PS attachment

Value

0 - detached

1 - attached

Other values are reserved and will result in an ERROR response to the execution

command.

1.32.10. PDP context activate or deactivate +CGACT

The execution command is used to activate or deactivate the specified PDP context (s). After

the command has completed, the MT remains in V.25ter command state. If any PDP context

is already in the requested state, the state for that context remains unchanged. If the

requested state for any specified context cannot be achieved, an ERROR or +CME ERROR

response is returned. Extended error responses are enabled by the +CMEE command. If the

MT is not PS attached when the activation form of the command is executed, the MT first

performs a PS attach and them attempts to activate the specified contexts. If the attach fails

then the MT responds with ERROR or, if extended error responses are enabled, with the

appropriate failure-to-attach error message.

If no <cid>s are specified the activation form of the command activates all defined contexts.

If no <cid>s are specified the deactivation form of the command deactivates all active

contexts.

The read command returns the current activation states for all the defined PDP contexts.

The test command is used for requesting information on the supported PDP context

activation states.

NOTE.

This command has the characteristics of both the V.25ter action and parameter

commands. Hence it has the read form in addition to the execution/set and test forms.

Table 37. + CGACT parameter command syntax

Command

Possible response(s)

+CGACT=[<state> OK

[,<cid>[,<cid>[,… ERROR

]]]]

+CGACT?

+CGACT:<cid>,<state>[<CR><LF>+CGACT:<cid>,<state>[...]]

+CGACT=?

+CGACT: (list of supported <state>s)

<state>: indicates the state of PDP context activation

Value

0 - deactivated

1 - activated

Other values are reserved and will result in an ERROR response to the

execution command.

<cid>: a numeric parameter which specifies a particular PDP context definition

(see the +CGDCONT and +CGDSCONT commands).

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1.32.11. PDP Context Modify +CGCMOD

The execution command is used to modify the specified PDP context (s) with repect to QoS

profiles and TFTs. After the command has completed, the MT returns to V.25ter online data

state. If the requested modification for any specified context cannot be achieved, an ERROR

or +CME ERROR response is returned. Extended error responses are enabled by the +CMEE

command.

If no <cid>s are specified the activation form of the command modifies all active contexts.

The test command returns a list of <cid>s associated with active contexts.

Table 38. + CGCMOD parameter command syntax

Command

Possible response(s)

+CGCMOD=[<cid> OK

[,<cid>[,…]]] ERROR

+CGCMOD=?

Value

+CGCMOD: (list of <cid>s associated with active contexts)

<cid>: a numeric parameter which specifies a particular PDP context definition (see

the +CGDCONT and +CGDSCONT commands).

1.32.12. Enter data state +CGDATA

The execution command causes the MT to perform whatever actions are necessary to

establish communication between the TE and the network using one or more Packet

Domain PDP types. This may include performing a PS attach and one or more PDP context

activations. If the <L2P>parameter value is unacceptable to the MT, the MT shall return an

ERROR or +CME ERROR response. Otherwise, the MT issues the intermediate result code

CONNECT and enters V.25ter online data state.

Commands following +CGDATA command in the AT command line shall not be processed

by the MT.

The detailed behaviour after the online data state has been entered is dependent on the PDP

type. It is described briefly in 3GPP TS 27.060[34] and in more detail in 3GPP TS 29.061[39]

and the specifications for the relevant PDPs. PS attachment and PDP context activation

procedures may take place prior to or during the PDP startup if they have not already been

performed using the +CGATT and +CGACT commands.

If context activation takes place during the PDP startup, one or more <cid>s may be

specified in order to provide the information needed for the context activation request(s).

During each PDP startup procedure the MT may have access to some or all of the following

information -

The MT may have a priori knowledge, for example, it may implement only one PDP type.

The command may have provided an <L2P>parameter value.

The TE may provide a PDP type and/or PDP address to the MT during in the PDP startup procedure.

If any of this information is in conflict, the command will fail.

Any PDP type and/or PDP address present in the above information shall be compared with

the PDP type and/or PDP address in any context definitions specified in the command in the

order in which their <cid>s appear. For a context definition to match -

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The PDP type must match exactly.

The PDP addresses are considered to match if they are identical or if either or both addresses are

unspecified. For example, a PPP NCP request specifying PDP type = IP and no PDP address would cause

the MT to search through the specified context definitions for one with PDP type = IP and any PDP

address.

The context shall be activated using the matched value for PDP type and a static PDP

address if available, together with the other information found in the PDP context definition.

If a static PDP address is not available then a dynamic address is requested.

If no <cid> is given or if there is no matching context definition, the MT shall attempt to

activate the context with whatever information is available to the MT. The other context

parameters shall be set to their default values.

If the activation is successful, data transfer may proceed.

After data transfer is complete, and the layer 2 protocol termination procedure has

completed successfully, the V.25ter command state is re-entered and the MT returns the

final result code OK.

In the event of an erroneous termination or a failure to start up, the V.25ter command state

is re-entered and the MT returns the final result code NO CARRIER or, if enabled, +CME

ERROR. Attach, activate and other errors may be reported.

Table 39. + CGDATA parameter command syntax

Command

Possible response(s)

+CGDATA=[<L2P> ,[<cid>CONNECT

[,<cid>[,…]]]]

ERROR

+CGDATA=?

+CGDATA: (list of supported <L2P>s)

<L2P>: a string parameter that indicates the layer 2 protocol to be used

Value

between the TE and MT

NULL

PPP

PAD

none, for PDP type OSP:IHOSS (Obsolete)

Point-to-point protocol for a PDP such as IP

character stream for X.25 character (triple X PAD) mode

(Obsolete)

X25

X.25 L2 (LAPB) for X.25 packet mode (Obsolete)

M-xxxx

string)

manufacturer-specific protocol (xxxx is an alphanumeric

If the value is omitted, the layer 2 protocol is unspecified. Other values

are reserved and will result in an ERROR response.

<cid>: a numeric parameter which specifies a particular PDP context

definition (see the +CGDCONT and +CGDSCONT commands).

1.32.13. Show PDP address +CGPADDR

The execution command returns a list of PDP addresses for the specified context identifiers.

The test command returns a list of defined <cid>s.

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Table 40. + CGPADDR parameter command syntax

Command

Possible response(s)

+CGPADDR=[<cid>

[,<cid> [,…]]]

+CGPADDR: <cid>,<PDP_addr>

[<CR><LF>+CGPADDR: <cid>,<PDP_addr>

[...]]

+CGPADDR=?

Value

+CGPADDR: (list of defined <cid>s)

<cid>: a numeric parameter which specifies a particular PDP context definition

(see the +CGDCONT and +CGDSCONT commands). If no <cid>is

specified, the addresses for all defined contexts are returned.

<PDP_address>: a string that identifies the MT in the address

space applicable to the PDP. The address may be static or dynamic.

For a static address, it will be the one set by the +CGDCONT and

+CGDSCONT commands when the context was defined. For a

dynamic address it will be the one assigned during the last PDP

context activation that used the context definition referred to by

<cid>. <PDP_address>is omitted if none is available.

1.33. Modem compatibility commands

Table 41. Modem compatibility commands

Command

Req

Description

Support

Dial(request packet domain service or packet domain IP Supported

service)

1.34. Informative examples

1.34.1.

UMTS Connection

Command:

AT+CGDCONT=%CID%,"%PDPTYPE%","%APN%","%PDPADDRESS_NONE%",%DCOMP%,%H

COMP%

Expected response: OK

Command:

AT+CGEQREQ=%CID%,%REQ_TCLSS%,%REQ_MBRUL%,%REQ_MBRDL%,%REQ_GBRUL

%,%REQ_GBRDL%,%REQ_DORDR%,%REQ_MSDU%,"%REQ_SDUER%","%REQ_RBER%",%

REQ_DESDU%,%REQ_TRDELAY%,%REQ_TRHP%

Expected response: OK

Command:

AT+CGEQMIN=%CID%,%MIN_TCLSS%,%MIN_MBRUL%,%MIN_MBRDL%,%MIN_GBRUL%,

%MIN_GBRDL%,%MIN_DORDR%,%MIN_MSDU%,"%MIN_SDUER%","%MIN_RBER%",%MIN_

DESDU%,%MIN_TRDELAY%,%MIN_TRHP%

Expected response: OK

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Synchronous data mode commands

Table 42. ITU-T V80ter Synchronous data mode command

Command

Req

Description

Support

+ES=<orig_rq

st>

<orig_fbk>,<a

ns_fbk>

Enables the Synchronous Mode Values per spec

<orig_rqst> – 6

Supported

<orig_fbk> –undefined

<ans_fbk> – 1

Man

Preferred message storage Values per spec

<trans_idle> –0

+ESA=<trans

_idle>,<frame

d_idle>,<fram

ed_un_ov>,<h

d_auto>,<crc_

type>,<nrzi_e

n>,<sync1>,<

sync2>

<framed_idle>– Undefined

<framed_un_ov> – Undefined

<hd_auto> –Undefined

<crc_type> –Undefined

<nrzi_en> – 0

Supported

Man

<sync1> – 0

<sync2> – 0 to255

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Qualcomm commands

Table 43. Qualcomm command

Operation

COMMAND

Description

Support

$QCCLR

clear mobile error log

Clears the mobile error log

Supported

Returns OK and then transitions the

mobile’s serial port to DM mode; DM

mode runs at rate set by $QCDMR

command and uses a proprietary

halfduplex protocol; default DM rate

fixed at 115200 bps

transition to diagnostics

monitor operation

$QCDMG

Supported

Changes DM rate that will be used on

mobile’s serial port when mobile’s

serial port transitions to DM mode; DM

mode is entered after $QCDMG

command is issued; default DM rate is

fixed at 115200 bps; test command,

i.e., $QCDMR=?, returns rates

supported and query command, i.e.,

$QCDMR?, returns current

$QCDMR=

<rate>

set DM baud rate

Supported

Rate

Dumps the status of all AT parameters

applicable to current operating mode,

including the single-letter parameters

not otherwise readable

dump configuration

parameters

Supported

Circuit 109 (carrier

detect pin) behavior -

wink

Setting “winks” (briefly transitions off,

then back on) the Rm port Carrier

Detect pin when Data calls end

&C2

Sets TE-DCE rate at which DCE will

accept commands; this data rate also

becomes the default and is stored in

NV RAM, changing the +IPR

Set TE-DCE baud rate

Baud rates supported

are identical to +IPR

command.

$QCTER=

<rate>

command default rate; test command,

i.e., $QCTER=?, returns rates

supported and query command, i.e.,

$QCTER?, returns rate last issued by

$QCTER command or default rate

Sets the default primary IP address

used for Domain Name Services;

used only if no DNS server address is

received over the air during PDP

context activation; value is stored in

NVRAM.

Supported

$ $QCDNSP=

set primary DNS IP address

Sets the default secondary IP address

used for Domain Name Services;

used only if no DNS server address is

received over the air during PDP

context activation; value is stored in

NVRAM

Defines authentication parameters on

a per connection basis. Value of

<auth_type> determines what

$QCDNSS=

Set secondary DNS IP

address

Supported

$QCPDPP=

<cid>,

<auth_type>,

PDP-IP packet data calls

<cid> – 1 to 16

<auth_type>:

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<password>,

0 None

1 PAP

additional parameters are required, as

follows:

2 CHAP

0 – Neither username nor password

accepted

1 – Username and password

accepted

2 – Only password (secret)

accepted

Query command, i.e., $QCPDPP?,

does not display password values and

only displays username for PAP

authentication.

Returns OK and then shuts down the

phone

$QCPWRDN

used to power down the ME

Supported

Generates data over

+CGACT activated PDP

context

$QCDGEN=<

cid>,<data

length>

Supported only during PDP context

activation by +CGACT

<cid> – 1 to 16

<data length> – 21 to 2^32

$QCSLOT=

<slot>

set SIM card slot commands Slot other than 1 only available if

Supported

will operate on

FEATURE_DUAL_SLOTS enabled

$QCPDPLT=<

enable>

Enable/disable tolerance to

long delays in PDP call setup

$QCPINSTAT

Statuses listed in order: SIM PIN, PH

FSIM PIN, NET PIN, NETSUB PIN,

SP PIN, CORP PIN, SIM PIN2

sends the ME the status of

all PINs for all cards

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