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Standard Horizon GM29 6.9 AT+CGREG GPRS Network Registration Status

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6. DATA - GPRS

121

LZT 123 7361 R1A

6.9 AT+CGREG GPRS Network Registration Status

Controls the presentation of an unsolicited result code +CGREG: <stat>

when <n>=1 and there is a change in the GPRS/packet domain network

registration status of the MS, or code +CGREG: <stat>[,<lac>,<ci>]

when <n>=2 and there is a change of the network cell.

Note! If the GPRS/Packet Domain MS also supports circuit mode services, the

+CGREG command and +CGREG: result code apply to the registration

status and location information for those services.

Description Command Possible Responses

Set command AT+CGREG=[<n>] • +CME ERROR: <err>

•OK

•ERROR

Read the current

settings

AT+CGREG? •+CGREG:

<n>,<stat>[,<lac>,

<ci>]

• +CME ERROR: <err>

•OK

•ERROR

Test if the command is

supported

AT+CGREG=? • +CGREG: (list of

supported <n>s)

•OK

•ERROR

<n> Description

0Disable network registration unsolicited result code

1Enable network registration unsolicited result code

2Enable network registration and location information

unsolicited result code

<stat> Description

0Not registered, MS is not searching for a new operator to

register with

1Registered, home network

2Not registered, but MS is searching for a new operator to

register with

3Registration denied

4Unknown

5Registered, roaming

<lac> Description

String type Two byte location area code in hexadecimal format

Contents

Main First edition (October 2002) Contents Page Page Page Page Page Page Page Page Page 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 Page 2.4 Main Features and Services Page Page 2.5 Service and Support 2.6 Precautions 3. Abbreviations Page Page Page 1. Mechanical Description 1.1 Overview Page 1. MECHANICAL DESCRIPTION 27 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 Page 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: Page 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 Page 4.3 Antenna Page 4.4 Accessories 5. Technical Data Data Features Data Storage Short Message Service Features Voice Features Page Radio Specifications Audio Specifications SIM Card Reader Electrical Connectors and LED Mechanical Specification Environmental specifications Certification Page Page Page Page 1. Introduction to AT Commands 1.1 Overview 1.2 Syntax Description Page Page Page 1.3 Error Codes Page 1.4 Examples on How to Use the AT Comman ds Page 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 Page 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 Page 3.24 AT+CPWD Change Password Page 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 Page Page 4 5 6 7 Page Page 4.2 AT*E2APR M2M Audio Profile Manipulation Page 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 Page 5. Data - CSD/HSCSD 5.1 AT+CBST Select Bearer Service Type Page 5.2 AT+CRLP Radio Link Protocol Page 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 Page 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) Page 6.8 AT+CGQREQ Quality of Service Profile (Requested) Page Page 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 Page 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 Page 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 Page 11.2 AT*E2EMM Ericsso n M2M Engineering Monitoring Mode Page Page Page Page Page 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 Page 11.12 AT+CNUM Subscriber Number 11.13 AT+COLP Connected Line Identification Presentation Page 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 Page 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 Page 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 Page 12.12 AT+CPBS Phone Storage 12.13 AT+CPBW Phonebook Write Page 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 Page Note! SMS-COMMANDs and SMS-STATUS-REPORTs cannot be stored in text mode. 13.7 AT+CMGS Send Message Page Page 13.8 AT+CMSS Send From Storage 13.9 AT+CMGC Send Command Page Page 13.10 AT+CNMI New M essage Indications to TE Page Page Page 13.11 AT+CMGR Read Message Page Page Page Page 13.12 AT+CMGL List Message Note! Returns messages with status value <stat> from preferred message Page Page Page Page Page 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 Page Page 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 Page 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 Page 15.5 AT*E2STKI M2M STK Get Input Page Page 15.6 AT*E2STKL M2M STK Select Item Page 15.7 AT*E2STKM M2M STK Set Up Menu Page 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 Page Page Page Page 16.11 AT+CCFC Call Forwarding number and Conditions Page 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 Page 16.16 AT+CSSN Supplementary Service Notification Page 16.17 AT+CUSD Unstructured Supplementary Service Data The different alternatives are shown below. Example 1 Example 2 Example 3 Page 17. Alphabetical Listing of AT Commands