GPRS AT commands Reference Guide - MultiTech

GPRS AT Commands

for

Multi-Tech G2 Cellular Modems

AT Commands

Reference Guide

Copyright and Technical Support

GPRS AT Commands for Multi-Tech G2 Cellular Modems

Reference Guide

This Command Set Applies to the Following Products:

SocketModem? Cell ¨C MTSMC-G2

SocketModem? iCell ¨C MTSMC-G2 (with IP)

MultiModem? Cell ¨C MTCBA-G2

MultiModem? rCell ¨C MTCBA-G2-EN2

MultiModem? iCell ¨C MTCMR-G2

PN S000463C, Revision C

Copyright

This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi-Tech

Systems, Inc. All rights reserved. Copyright ? 2003-2010, by Multi-Tech Systems, Inc.

Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifically

disclaims any implied warranties of merchantability or fitness for any particular purpose. Furthermore, Multi-Tech

Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof

without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.

Revisions

Revision Level Date

A

05/18/09

07/06/09

B

01/25/10

C

07/30/10

Description

Initial release. Based on Open AT Commands version 7.2.

Updated for Open AT Commands version 7.3a.

Change default of Baud Rate to "0 ¨C Autobaud".

Add MultiModem rCell, MultiModem iCell and MultiModem Cell to the list of products this

use this command set.

Technical Support

See the product User Guide or Developer Guide for Technical Support information.

Trademarks

SocketModem and the Multi-Tech logo are registered trademarks of Multi-Tech Systems, Inc.

World Headquarters

Multi-Tech Systems, Inc.

2205 Woodale Drive

Mounds View, Minnesota 55112

Phone: 763-785-3500 or 800-328-9717

Fax: 763-785-9874

Internet Address:

Multi-Tech Systems, Inc. AT Commands Reference Guide for Multi-Tech G2 Cellular Modems (Doc. No. S000463C)

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Table of Contents

Contents

Chapter 1 ¨C Introduction.............................................................................................................................................................. 8

Scope of This Document .......................................................................................................................................................... 8

Related Documents .................................................................................................................................................................. 8

Abbreviations and Definitions ................................................................................................................................................... 9

Chapter 2 ¨C AT Command Features and General Information ............................................................................................... 12

Line Settings .......................................................................................................................................................................... 12

Command Line ....................................................................................................................................................................... 12

Information Responses and Result Codes ............................................................................................................................. 12

SIM Card Insertion and Removal Procedures ........................................................................................................................ 12

Background Initialization ........................................................................................................................................................ 13

About the Length of Phone Numbers ..................................................................................................................................... 13

Chapter 3 ¨C Basic Commands .................................................................................................................................................. 14

Attention Command AT ........................................................................................................................................................ 14

Repeat Last Command A/ ..................................................................................................................................................... 14

Chapter 4 ¨C Identification Commands ...................................................................................................................................... 15

Manufacturer Identification +CGMI ....................................................................................................................................... 15

Request Model Identification +CGMM .................................................................................................................................. 15

Product Serial Number +CGSN............................................................................................................................................ 16

Request Revision Identification +CGMR .............................................................................................................................. 16

Request Identification Information I ...................................................................................................................................... 17

Capabilities List +GCAP ....................................................................................................................................................... 17

Chapter 5 ¨C Open AT? Commands .......................................................................................................................................... 18

Open AT? Control Command +WOPEN .............................................................................................................................. 18

Downloading +WDWL .......................................................................................................................................................... 22

Chapter 6 ¨C Global Configuration Commands ........................................................................................................................ 23

Report Mobile Equipment Errors +CMEE ............................................................................................................................. 23

Slow Idle Mode +W32K ........................................................................................................................................................ 24

Power Off +CPOF ................................................................................................................................................................. 25

Set Phone Functionality +CFUN .......................................................................................................................................... 25

Reset +WRST ...................................................................................................................................................................... 27

Save Configuration &W ........................................................................................................................................................ 27

Restore Factory Settings &F ................................................................................................................................................ 28

Default Configuration Z ........................................................................................................................................................ 28

Display Configuration &V ..................................................................................................................................................... 29

Custom Character Set +WCCS ............................................................................................................................................. 30

Select TE Character Set +CSCS .......................................................................................................................................... 31

Phonebook Character Set +WPCS ...................................................................................................................................... 32

Select Type of Address +CSTA............................................................................................................................................. 33

Chapter 7 ¨C Wireless Modem Status Commands .................................................................................................................... 34

General Indications +WIND ................................................................................................................................................... 34

Phone Activity Status +CPAS............................................................................................................................................... 37

SIM Holder Status +WSHS .................................................................................................................................................. 37

Indicator Control +CIND ....................................................................................................................................................... 38

Mobile Equipment Event Reporting +CMER ........................................................................................................................ 39

Mobile Equipment Control Mode +CMEC............................................................................................................................. 40

Status Request +WSTR ....................................................................................................................................................... 41

Multi-Tech Systems, Inc. AT Commands Reference Guide for Multi-Tech G2 Cellular Modems (Doc. No. S000463C)

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Table of Contents

Chapter 8 ¨C Serial Port Commands .......................................................................................................................................... 42

Echo E.................................................................................................................................................................................. 42

Fixed DTE Rate +IPR ........................................................................................................................................................... 43

DTE-DCE Character Framing +ICF ...................................................................................................................................... 44

DTE-DCE Local Flow Control +IFC ...................................................................................................................................... 45

Result Code Suppression Q ................................................................................................................................................. 46

DCE Response Format V ..................................................................................................................................................... 46

Set DCD Signal &C .............................................................................................................................................................. 47

Set DTR Signal &D............................................................................................................................................................... 47

Set DSR Signal &S............................................................................................................................................................... 48

Ring Indicator Mode +WRIM ................................................................................................................................................ 49

Back to Online Mode O ......................................................................................................................................................... 50

Multiplexing Mode +CMUX .................................................................................................................................................... 51

Chapter 9 ¨C Security Commands .............................................................................................................................................. 52

Enter PIN +CPIN .................................................................................................................................................................. 52

Enter PIN2 +CPIN2 .............................................................................................................................................................. 53

PIN Remaining Attempt Number +CPINC ............................................................................................................................ 54

Change Password +CPWD .................................................................................................................................................. 55

Facility Lock +CLCK ............................................................................................................................................................. 56

Lock +WLCK ........................................................................................................................................................................ 57

Chapter 10 ¨C Time Management Commands ........................................................................................................................... 58

Clock Management +CCLK .................................................................................................................................................. 58

Alarm Management +CALA.................................................................................................................................................. 59

Chapter 11 ¨C GSM Network Commands ................................................................................................................................... 60

Signal Quality +CSQ ............................................................................................................................................................. 60

Network Registration +CREG............................................................................................................................................... 61

Cell Environment Description +CCED .................................................................................................................................. 63

Multi-Band Selection +WMBS .............................................................................................................................................. 67

Scan +WSCAN ..................................................................................................................................................................... 68

Abort Command +WAC ........................................................................................................................................................ 68

Chapter 12 ¨C Call Control Commands ...................................................................................................................................... 69

Dial a Specific Number D ...................................................................................................................................................... 69

Direct Dial Using a Phonebook Index D ................................................................................................................................ 71

Direct Dial Using a Phonebook Entry Name D ...................................................................................................................... 72

Redial Last Telephone Number DL ...................................................................................................................................... 73

Answer a Call A .................................................................................................................................................................... 73

Hang Up Command H .......................................................................................................................................................... 74

Hang-up WATH .................................................................................................................................................................... 74

Remote Disconnection ........................................................................................................................................................... 75

Extended Error Report +CEER ............................................................................................................................................ 75

Automatic Dialing with DTR %D ........................................................................................................................................... 76

Automatic Answer S0 ........................................................................................................................................................... 77

Incoming Call Bearer +CICB ................................................................................................................................................ 77

Single Numbering Scheme +CSNS ...................................................................................................................................... 78

Service Reporting Control +CR ............................................................................................................................................. 79

Cellular Result Codes +CRC ................................................................................................................................................ 80

Multi-Tech Systems, Inc. AT Commands Reference Guide for Multi-Tech G2 Cellular Modems (Doc. No. S000463C)

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Table of Contents

Chapter 13 ¨C Data Commands .................................................................................................................................................. 81

Using AT Commands During a Data Connection ................................................................................................................... 81

Bearer Type Selection +CBST ............................................................................................................................................. 81

DTE-DCE Local Rate Reporting +ILRR................................................................................................................................ 82

Radio Link Protocol Parameters +CRLP .............................................................................................................................. 83

Other Radio Link Parameters +DOPT ................................................................................................................................... 84

Select Mode +FCLASS ........................................................................................................................................................ 85

Select Data Compression %C ............................................................................................................................................... 85

V42bis Data Compression +DS............................................................................................................................................ 86

V42bis Data Compression Report +DR ................................................................................................................................ 87

Select Data Error Correcting Mode \N .................................................................................................................................. 88

Chapter 14 ¨C GPRS Commands ................................................................................................................................................ 89

GPRS Mobile Station Class +CGCLASS ............................................................................................................................. 89

GPRS Parameters Customization +WGPRS ....................................................................................................................... 90

Define PDP Context +CGDCONT ........................................................................................................................................ 94

GPRS Attach or Detach +CGATT ........................................................................................................................................ 95

PDP Context Activate or Deactivate +CGACT ..................................................................................................................... 95

Request GPRS IP Service D ................................................................................................................................................ 97

Enter Data State +CGDATA ................................................................................................................................................. 98

Manual Response to a Network Request for PDP Manual Context Activation +CGANS ..................................................... 99

Automatic Response to a Network Request for PDP Context Activation +CGAUTO ......................................................... 100

Quality of Service Profile (Minimum Acceptable) +CGQMIN .............................................................................................. 101

Quality of Service Profile Requested +CGQREQ ................................................................................................................ 103

PDP Context Modify +CGCMOD......................................................................................................................................... 105

GPRS Network Registration Status +CGREG.................................................................................................................... 106

GPRS Event Reporting +CGEREP .................................................................................................................................... 107

Select Service for Mobile Originated SMS Messages +CGSMS ........................................................................................ 108

Show PDP Address +CGPADDR ....................................................................................................................................... 109

Chapter 15 ¨C PLMN Commands .............................................................................................................................................. 110

Selection of Preferred PLMN List +CPLS ........................................................................................................................... 110

Operator Selection +COPS ................................................................................................................................................ 111

Preferred Operator List +CPOL .......................................................................................................................................... 113

Operator List Management +WOLM .................................................................................................................................. 115

Read Operator Name +WOPN ............................................................................................................................................ 116

Read Operator Name +COPN............................................................................................................................................ 118

Chapter 16 ¨C Phonebook Commands .................................................................................................................................... 119

Select Phonebook Memory Storage +CPBS ....................................................................................................................... 119

Contact Selector +WCOS.................................................................................................................................................... 120

Write Phonebook Entry +CPBW......................................................................................................................................... 121

Read Phonebook Entries +CPBR ...................................................................................................................................... 124

Find Phonebook Entries +CPBF ........................................................................................................................................ 126

Phonebook Phone Search +CPBP ..................................................................................................................................... 128

Move Action in Phonebook +CPBN .................................................................................................................................... 130

Create and Delete a Phonebook Group +WPGW ............................................................................................................... 132

Read a Phonebook Group +WPGR .................................................................................................................................... 133

Settings of a Group +WPGS ............................................................................................................................................... 135

Delete Calls Phonebook +WDCP ....................................................................................................................................... 136

Subscriber Number +CNUM............................................................................................................................................... 136

Set Voice Mail Number +CSVM .......................................................................................................................................... 137

Avoid Phonebook Initialization +WAIP ............................................................................................................................... 138

Multi-Tech Systems, Inc. AT Commands Reference Guide for Multi-Tech G2 Cellular Modems (Doc. No. S000463C)

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