Specifications

Table of Contents
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 4
4.9 AT+IPR Set Fixed Local Rate ........................................................................................................................54
4.9.1 Autobauding...............................................................................................................................................55
4.10 AT+CMUX Enter Multiplex Mode .................................................................................................................56
4.10.1 Restrictions on Multiplex Mode ................................................................................................................56
4.11 AT+STPB Transmit Parity Bit (for 7E1 & 7O1 Only).....................................................................................58
Chapter 5. Security Commands..............................................................................................................................59
5.1 AT+CPIN PIN Authentication .........................................................................................................................59
5.1.1 What to Do if PIN or Password Authentication Fails? ................................................................................60
5.2 AT+CPIN2 PIN2 Authentication .....................................................................................................................61
5.3 AT^SPIC Display PIN Counter .......................................................................................................................62
5.4 AT+CLCK Facility Lock ..................................................................................................................................65
5.5 AT^SLCK Facility Lock...................................................................................................................................68
5.6 AT+CPWD Change Password .......................................................................................................................68
5.7 AT^SPWD Change Password........................................................................................................................70
Chapter 6. Identification Commands......................................................................................................................71
6.1 ATI Display Product Identification Information................................................................................................71
6.2 AT+CGMI Request Manufacturer Identification..............................................................................................71
6.3 AT+GMI Request Manufacturer Identification ................................................................................................71
6.4 AT+CGMM Request Model Identification.......................................................................................................71
6.5 AT+GMM Request Model Identification............................................................................................................71
6.6 AT+CGMR Request Revision Identification ...................................................................................................72
6.7 AT+GMR Request Revision Identification ......................................................................................................72
6.8 AT+CGSN Request International Mobile Equipment Identity .........................................................................72
6.9 AT+GSN Request International Mobile Equipment Identity............................................................................72
6.10 AT+CIMI Request International Mobile Subscriber Identity..........................................................................73
Chapter 7. Call-Related Commands .......................................................................................................................74
7.1 Call Status Information.....................................................................................................................................74
7.2 ATA Answer a Call .........................................................................................................................................75
7.3 ATD Mobile Originated Call to a Specified Number .......................................................................................75
7.4 ATD><mem><n> Mobile Originated Call Using Specific Memory and Index Number.....................................77
7.5 ATD><n> Mobile Originated Call from Active Memory Using Index Number ..................................................78
7.6 ATD><str> Mobile Originated Call from Active Memory Using Corresponding Field......................................78
7.7 ATDI Mobile Originated Call to ISDN Number................................................................................................79
7.8 ATDL Redial Last Number Used....................................................................................................................79
7.9 ATH Disconnect Existing Connection.............................................................................................................79
7.10 AT+CHUP Hang Up Call ..............................................................................................................................80
7.11 AT^SHUP Hang Up Call(s) Indicating a Specific GSM04.08 Release Cause ..............................................80
7.12 ATS0 Set Number of Rings before Automatically Answering a Call.............................................................81
7.13 ATS6 Set Pause before Blind Dialing...........................................................................................................82
7.14 ATS7 Set Number of Seconds to Wait for Connection Completion..............................................................82
7.15 ATS8 Set Number of Seconds to Wait for Comma Dialing Modifier.............................................................82
7.16 ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier .................................................83
7.17 ATO Switch from Command Mode to Data Mode / PPP Online Mode.........................................................83
7.18 +++ Switch from Data Mode to Command Mode ..........................................................................................83
7.19 AT+CBST Select Bearer Service Type ........................................................................................................84
7.20 AT+CRLP Select Radio Link Protocol Parameters for Originated Non-Transparent Data Calls ..................84
7.21 AT+CLCC List Current Calls of ME..............................................................................................................85
7.22 AT^SLCC List Current Calls of ME...............................................................................................................86
7.23 AT+CR Service Reporting Control ...............................................................................................................89
7.24 AT+CRC Set Cellular Result Codes for Incoming Call Indication.................................................................90
7.25 AT+CSNS Single Numbering Scheme.........................................................................................................90
7.26 AT^SCNI List Call Number Information........................................................................................................91
7.27 AT^SLCD Display Last Call Duration ...........................................................................................................91
7.28 AT^STCD Display Total Call Duration..........................................................................................................91
7.29 ATP Select Pulse Dialing .............................................................................................................................92
7.30 ATT Select Tone Dialing ..............................................................................................................................92
Chapter 8. Network Service Commands ................................................................................................................93
8.1 AT+COPN Read Operator Names .................................................................................................................93
8.2 AT+COPS Operator Selection .......................................................................................................................93
8.3 AT^SOPS Extended Operator Selection........................................................................................................95
8.4 AT+CREG Network Registration....................................................................................................................96
8.5 AT+CSQ Signal Quality..................................................................................................................................97
8.6 AT^SMONC Cell Monitoring...........................................................................................................................98
8.7 AT^SMOND Cell Monitoring...........................................................................................................................99
8.8 AT^MONI Monitor Idle Mode and Dedicated Mode......................................................................................100