Main
First edition (October 2002)
Contents
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1. Introduction
1.1 Target Users
1.2 Prerequisites
1.3 Manual Structure
2. GM29 Modem
2.1 Description
2.2 Highlights
2.3 GM29 in a Communication System
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2.4 Main Features and Services
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2.5 Service and Support
2.6 Precautions
3. Abbreviations
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1. Mechanical Description
1.1 Overview
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1. MECHANICAL DESCRIPTION
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1.2 Physical Dimensions
Measurements are given in millimetres. See also Technical Data, page 44.
2. Electrical Description
2.1 Power Connector
2.2 Audio Connector
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2.3 Antenna Connector
2.4 SIM Card Reader
2.5 RS232 Serial Port
The electrical characteristics of the serial port signals are shown below:
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2.6 Real Time Clock
2.7 Software Updates
3. Operation
3.1 Switching On the Modem
3.2 Switching Off the Modem
3.3 Resetting the Modem
3.4 Operating States/LED
4. Hints for Integrating the Modem
4.1 Safety Advice and Precautions
4.2 Installation of the Modem
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4.3 Antenna
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4.4 Accessories
5. Technical Data
Data Features
Data Storage
Short Message Service Features
Voice Features
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Radio Specifications
Audio Specifications
SIM Card Reader Electrical Connectors and LED
Mechanical Specification
Environmental specifications
Certification
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1. Introduction to AT Commands
1.1 Overview
1.2 Syntax Description
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1.3 Error Codes
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1.4 Examples on How to Use the AT Comman ds
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2. Call Control
2.1 AT+CPIN PIN Control
Answer and initiate connection to an incoming call.
2.2 ATA Answer Incoming Call
2.3 ATD Dial
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2.4 ATH Hang up
2.5 ATO Return to Online Data Mode
2.6 ATP Select Pulse Dialling
2.7 ATT Select Tone Dialling
2.8 ATX Call Progress Monitoring Control
2.9 AT+CHUP Hang up Call
2.10 AT+CMOD Call Mode
2.11 AT+CVHU Voice Hang-Up
2.12 AT+VTS DTMF and Tone Generation
Note! The AT+VTS command is used only during a voice call.
3. Control and Status
3.1 ATQ Result Code Suppression
3.2 ATS0 Automatic Answer Control
3.3 ATS2 Escape Sequence Character
3.4 ATS3 Command Line Termination Character
3.5 ATS4 Response Formatting Character
3.6 ATS5 Command Line Editing Character (BACKSPACE)
3.7 ATS6 Blind Dial Delay Control
3.8 ATS7 Connection Completion Timeout
3.9 ATS8 Comma Dial Modifier Delay Control
3.10 ATS10 Automatic Disconnect Delay Control
3.11 AT*ECAM Ericsson Call Monitoring
3.12 AT*EDST Ericsson Daylight Saving Time
3.13 AT*EMAR Ericsson Master Re set
3.14 AT*EPEE Ericsson Pin Event
The command requests the MS to report when the PIN code has been inserted and accepted.
3.15 TAT+CCLK Set Clock and Date
3.16 AT+CEER Extended Error Report
3.17 AT+CFUN Set Phone Functionality
3.18 AT+CIND Indicator Control
3.19 AT+CLAC List all available AT Commands
3.20 AT+CMEE Mobile Equipment Error
3.21 AT+CMER Mobile Equipment Event Reporting
3.22 AT+CPAS Phone Activity Status
3.23 AT+CPIN PIN Control
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3.24 AT+CPWD Change Password
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3.25 AT+CR Service Reporting Control
3.26 AT+CRC Cellular Result Code
3.27 AT+CSAS Save Settings
3.28 AT+CSQ Signal Strength
3.29 AT+CTZU Automatic Time Zone Update
4. Audio
4.1 AT*E2EAMS Ericsson M2M Audio Profile Modification
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4.2 AT*E2APR M2M Audio Profile Manipulation
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4.3 AT*EALR Ericsson Audio Line Request
4.4 AT*EAMS Ericsson Audio Mode Selection
4.5 AT*EARS Ericsson Audio Ring Signal
4.6 AT*ELAM Ericsson Local Audio Mode
4.7 AT*EMIC Ericsson Microphone Mode
4.8 AT*EMIR E ricsson Music Mute Indication Request
4.9 AT*EXVC E ricsson SET External Volume Control
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5. Data - CSD/HSCSD
5.1 AT+CBST Select Bearer Service Type
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5.2 AT+CRLP Radio Link Protocol
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6. Data - GPRS
6.1 AT+CGACT PDP Context Activate or Deacti vate
6.2 AT+CGATT GPRS Attach or Detach
6.3 AT+CGDATA Enter Data State
6.4 AT+CGDCONT Define PDP Context
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6.5 AT+CGEREP GPRS Event Reporting
6.6 AT+CGPADDR Show PDP Address
6.7 AT+CGQMIN Quality of Service Profile (Minimum Acceptab le)
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6.8 AT+CGQREQ Quality of Service Profile (Requested)
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6.9 AT+CGREG GPRS Network Registration Status
Note! If the GPRS/Packet Domain MS also supports circuit mode services, the
6.10 AT+CGSMS Select Service for MO SMS Messages
7. Data - HSCSD
7.1 AT+CHSC HSCSD Current Call Parameters
7.2 AT+CHSD HSCSD Device Parameters
Shows information about HSCSD features supported by the ME/TA.
7.3 AT+CHSN HSCSD Non Transparent Call Configuration
Note! Recommended value for parameter <speed> in AT+CBST is 0.
7.4 AT+CHSR HSCSD Parameters Report
7.5 AT+CHSU HSCSD Automatic User Initiated Upgrading
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8. Fax
8.1 AT*E2FAX Ericsson M2M Fax Comm. Baud Rate Modification
8.2 Low Level Fax Commands
9. Identification
9.1 AT Attention Command
This command stores the current user profile in non-volatile memory.
9.2 AT&F Set to Factory Defined Configuration
9.3 AT&W Store User Profile
9.4 AT* List all Supported AT Commands
Lists all the commands supported by the MS.
9.5 AT+CGMI Read MS Manufacturer Identification
Causes the MS to return one or more lines of information text.
9.6 AT+CGMM Read MS Model Identification
9.7 AT+CGMR Read MS Revision Identification
This command causes the MS to return a string containing information about the software version.
9.8 AT+CGSN Read MS Product Serial Number Identification
9.9 ATI Iden tification Information
This command provides compatibility with Microsoft Windows 95.
9.10 AT+GCAP Request Modem Capabilities List
Returns a list of valid modem command prefixes.
10. Interface
10.1 AT+CPIN PIN Control
Controls all actions initiated by data terminal ready from DTE.
10.2 AT&C Circuit 109 (DCD) Control
Determines the behaviour of the carrier detect.
10.4 AT&S Circuit 107 (DSR) Response
Determines the behaviour of the data set ready signal.
10.5 AT+WS46 Mode Selection
Allows an accessory to query and control the cellular protocol mode of the phone.
10.6 ATE Command Echo
10.7 ATV DCE Response Format
List of result codes
10.8 ATZ Reset to Default Configuration
Commands included on the same command line as the Z command will be ignored.
10.9 AT+CMUX Switch to 07.10 Multiplex Protocol
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10.10 AT+CRES Restore SMS Settings
10.11 AT+ICF Cable Interface Character Format
10.12 AT+IFC DTE-DCE Local Flow Control
10.13 AT+ILRR Cable Interface Local Rate Reporting
10.14 AT+IPR Cable Interface Port Command
10.15 AT*E2ESC M2M Escape Sequence Guard Time
11. Network
11.1 AT*E2CD Ericsson M2M Cell Description
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11.2 AT*E2EMM Ericsso n M2M Engineering Monitoring Mode
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11.3 AT*E2SPN M2M Service Provider Indication
11.4 AT*EALS Ericsson Request ALS Status
11.5 AT*ECSP Ericsson Customer Service Profile
11.6 AT*EPNR Ericsson Read SIM Preferred Network
This command is used to read the SIM preferred list of networks (EFPLMNSEL).
11.7 AT*EPNW Ericsson Write SIM Preferred Network
11.8 AT*E2SSN Ericsson M2M SIM Serial Number
11.9 AT*ESLN Ericsson Set Line Name
11.10 AT+CIMI Subscriber Identification
Causes the TA to return <IMSI>, identifying the individual SIM attached to the ME.
11.11 AT+CLCK Facility Lock
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11.12 AT+CNUM Subscriber Number
11.13 AT+COLP Connected Line Identification Presentation
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11.14 AT+COPS Operator Selection
Forces an attempt to select and register the GSM network operator.
11.15 AT+CREG Network Registration
11.16 AT*ECPI Ciphering Indicator
Unsolicited Result Codes *ECPV - Ciphering Indicator SYNTAX - Unsolicited Result code
11.17 AT*E2NBTS Ericsson M2M Neighbour BTS
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12. Phonebook
12.1 AT*E2PBCS Ericsson M2M Phonebook Check Sum
12.2 AT*ESAG Ericsson Add to Group
12.3 AT*ESCG Ericsson Create Group
12.4 AT*ESCN Ericsson Set Credit Card Number
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12.5 AT*ESDG Ericsson Delete Group
This command deletes the group at position <gindex> from the hierarchical phone book.
12.6 AT*ESDI Ericsson Delete Group Item
The command deletes the item with <index> in the group with <gindex>.
12.7 AT*ESGR Ericsson Group Read
This command lists the groups in the hierarchical phone book.
12.8 AT*EGIR Ericsson Group Item Read
This command lists the items stored in the group identified by <gindex>.
12.9 AT*ESNU Ericsson Settings Number
This command sets a <type> number, in the format <number type>, in the MS.
12.10 AT+CPBF Phonebook Find
12.11 AT+CPBR Phonebook Read
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12.12 AT+CPBS Phone Storage
12.13 AT+CPBW Phonebook Write
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13. Short Message Services - Point to Point
13.1 AT+CPIN PIN Control
13.2 AT+CGSMS Select Service for MO SMS Messages
See 6.10, AT+CGSMS Select Service for MO SMS Messages
13.3 AT+CPMS Preferred Message Storage
Test command returns lists of memory storage supported by the TA.
13.4 AT+CSCA Service Centre Address
Common for both PDU and Text Mode s
13.5 AT+CMGF Message Format
13.6 AT+CMGW Write Message to Memory
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Note! SMS-COMMANDs and SMS-STATUS-REPORTs cannot be stored in
text mode.
13.7 AT+CMGS Send Message
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13.8 AT+CMSS Send From Storage
13.9 AT+CMGC Send Command
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13.10 AT+CNMI New M essage Indications to TE
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13.11 AT+CMGR Read Message
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13.12 AT+CMGL List Message
Note! Returns messages with status value <stat> from preferred message
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13.13 AT+CMGD Delete Message
Common for both PDU and Text modes
13.14 AT+CSDH Show Text Mode Parameters
Only Applicable to Text Mode
Controls whether detailed header information is shown in text mode result codes.
13.15 AT+CSMP Set Text Mode Parameters
Only Applicable to Text Mode
13.16 AT+CSCS Select Character Set
13.17 AT+CSMS Select Message Service
Common for both PDU and Text Modes
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14. Short Message Services - Cell Broadcast
14.1 AT+CNMI N ew Message Indications to TE
Selects which types of CBMs are to be received by the ME.
See 13.10, AT+CNMI New Message Indications to TE
14.2 AT+CSCB Select Cell Broadcast Message Type
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15. SIM Application Toolkit
15.1 AT+CPIN PIN Control
15.2 AT*E2STKS SIM Application Toolkit Settings
15.3 AT*E2STKD M2M STK Display Text
15.4 AT*E2STKG M2M STK Get Inkey
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15.5 AT*E2STKI M2M STK Get Input
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15.6 AT*E2STKL M2M STK Select Item
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15.7 AT*E2STKM M2M STK Set Up Menu
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15.8 AT*E2STKN M2M STK Envelope (Menu Selection)
15.9 AT*E2STKC M2M STK Set Up Call
*E2STKC: <ton>,<dial_string>,<SetUpRequirement>,<coding>, <text_length>,<alpha_id>
15.10 *E2STKE STK Send Short Message
15.11 *E2STKP STK Send SS
15.12 *E2STKU STK Send USSD
15.13 *E2STKR STK Refresh
15.14 AT*E2STKTO SIM Application Toolkit Settings
Unsolicited result code: *E2STKTO: <command>
16. Supplementary Services
16.1 AT+CPIN PIN Control
16.2 AT+CACM Accumulated Call Meter
16.3 AT+CAMM Accumulated Call Meter Maximum
16.4 AT+CAOC Advice of Charge
16.5 AT+CPUC Price Per Unit and Currency Table
16.6 AT*EDIF Ericsson Divert Function
*EDIF: <reason>,<status>,<classx>[,<number>,<type>]
16.7 AT*EIPS Identity Presentation Set
*ELIP:<alpha tag> *EOLP:<alpha tag>
16.8 AT*ELIN Ericsson Line Set
16.9 AT*E2SSD M2M Supplementary Service Dispatch
16.10 AT*E2SSI M2M Supplementary Service Indications
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16.11 AT+CCFC Call Forwarding number and Conditions
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16.12 AT+CCWA Call Waiting
+CCWA: <number>, <type>, <class>
16.13 AT+CHLD Call Hold and Multiparty
16.14 AT+CLIP Call Line Identification Presentation
16.15 AT+CLIR Calling Line Identification Restriction
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16.16 AT+CSSN Supplementary Service Notification
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16.17 AT+CUSD Unstructured Supplementary Service Data
The different alternatives are shown below.
Example 1
Example 2
Example 3
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17. Alphabetical Listing of AT Commands