Specifications

Table of Contents
Table of Contents...........................................................................................................................................................i
1 General information .............................................................................................................................................. 4
1.2 Abbreviations and glossary ........................................................................................................................... 4
1.3 Notational Conventions................................................................................................................................. 4
1.4 Related documentation..................................................................................................................................5
1.4.1 Related internal documentation............................................................................................................. 5
1.4.2 Related Standardisation documentation ................................................................................................ 5
2 Software interface ................................................................................................................................................. 6
2.1 Overview of the supported AT command set................................................................................................ 6
2.2 The AT command set .................................................................................................................................. 12
2.2.1 Commands that can be executed without the PIN............................................................................... 12
2.2.2 Commands that can be interrupted...................................................................................................... 12
2.2.3 Generic TA control commands according to ITU-T V.250 ................................................................ 13
2.2.4 Command combinations to be avoided ............................................................................................... 18
2.3 AT commands and responses according to 3GPP TS 27.007 ..................................................................... 18
2.3.1 General commands according to 3GPP TS 27.007 ............................................................................. 18
2.3.2 Call control commands........................................................................................................................ 21
2.3.3 Network service related commands .................................................................................................... 23
2.3.4 Commands related to mobile equipment control and status................................................................ 35
2.3.5 Extensions of Hayes Standard commands for GPRS .......................................................................... 48
2.3.6 Commands for GPRS.......................................................................................................................... 48
2.3.7 Commands related to mobile equipment errors................................................................................... 67
2.3.8 TIA IS-101 commands (“Voice control interim standard for asynchronous DCE”)........................... 67
2.4 General commands according to 3GPP TS 27.005 ..................................................................................... 68
2.5 Modem commands ...................................................................................................................................... 76
2.6 Fax commands ............................................................................................................................................ 78
2.7 Bluetooth related commands....................................................................................................................... 91
2.8 General commands according to ITU-T Recommendation V.250.............................................................. 92
2.9 Siemens defined commands........................................................................................................................ 93
2.10 List of all Unsolicited result codes............................................................................................................ 119
3 Appendix A....................................................................................................................................................... 122
3.1.1 Factory settings made by AT&F ....................................................................................................... 122
3.1.2 Features of the Telephone book memory .......................................................................................... 123
3.1.3 Writing to the FDN Phonebook / FDN Replacement........................................................................ 124
3.1.4 How to use special characters in certain commands ( e. g., AT+CPBW) ......................................... 125
3.2 S Registers................................................................................................................................................. 126
3.3 Circuit assignments ................................................................................................................................... 126
4 Appendix B ....................................................................................................................................................... 128
4.1 Example for creating / retrieving an organizer entry................................................................................. 128
4.2 Examples and hints for using GPRS commands ....................................................................................... 129
4.3 The GPRS dial command ATD................................................................................................................. 132
4.4 The AT^SVMC command ........................................................................................................................ 133
5 Errors and Messages ......................................................................................................................................... 136
5.1 Summary of CME ERRORS (+CME ERROR) related to 3GPP TS 27.007 ............................................ 136
5.2 Summary of CMS ERRORS (+CMS ERROR) related to 3GPP TS 27.005............................................. 137
5.3 GSM return values issued by AT+CEER.................................................................................................. 139
5.3.1 Return values issued by AT+CEER for Radio Resource.............................................................. 139
5.3.2 Return values issued by AT+CEER for Mobility Manager.......................................................... 139
5.3.3 Return values issued by AT+CEER for Call Control ................................................................... 140
5.4 GPRS return values issued by AT+CEER ................................................................................................ 141
5.4.1 Return values issued by AT+CEER for GPRS Layer 3 Mobility Management................................ 141
5.4.2 GSM return values issued by AT+CEER for Session Manager .................................................... 142
5.4.3 Internal values of Session Manager issued by AT+CEER.......................................................... 142
5.4.4 Internal values GAPI issued by AT+CEER ...................................................................................... 143
5.4.5 Internal values of Link Manager issued by AT+CEER..................................................................... 143
5.4.6 Internal values of IP stack issued by AT+CEER (ENIP_LOC_OWN)............................................. 143
5.5 List of keys implemented for AT+CKPD / AT^SKPD............................................................................. 144