AT Commands Interface User Guide
Multi-Tech Systems, Inc. PN S000293A 3
Contents
Chapter 1 - Introduction ...............................................................................................................................4
Chapter 2 - AT commands Features ...........................................................................................................5
Chapter 3 General be haviors......................................................................................................................6
Chapter 4 - General Commands ..................................................................................................................8
Chapter 5 - Call Control commands..........................................................................................................17
Chapter 6 - Network service commands...................................................................................................30
Chapter 7 - Security commands ................................................................................................................38
Chapter 8 - Phonebook commands...........................................................................................................45
Chapter 9 - Short Messages commands...................................................................................................56
Chapter 10 - Supplementary Services Commands..................................................................................74
Chapter 11 - Data Commands....................................................................................................................88
Chapter 12 - Fax Commands......................................................................................................................96
Chapter 13 - Fax Class 2 Commands.....................................................................................................100
Chapter 14 - V24-V25 commands ............................................................................................................107
Chapter 15 - Specific AT commands.......................................................................................................116
Chapter 16 - SIM TOOLKIT .......................................................................................................................157
Chapter 17 - GPRS commands ................................................................................................................172
Chapter 18 - Other AT commands...........................................................................................................196
Appendix A: Tables...................................................................................................................................197
Appendix B: Data / Commands multiplexing protocol..........................................................................219
APPENDIX C: AT Command Examples...................................................................................................221
APPENDIX D: ME SIM ToolKit Support...................................................................................................224
APPENDIX E: Structure of TERMINAL PROFILE ...................................................................................226
APPENDIX F: Command Type and Next Action Indicator. ...................................................................229
APPENDIX G: Coding of Alpha fields in the SIM for UCS2...................................................................230
APPENDIX H: Specification of Power Down Control via RS232 ..........................................................232
APPENDIX I: Conditions for command execution and dependence to SIM .......................................233
