Table of Contents
Advertisement
Clock Management +CCLK ..........................................................................................................................31
Ring Melody Playback +CRMP.....................................................................................................................31
Ringer Sound Level +CRSL..........................................................................................................................32
Subscriber Number +CNUM .........................................................................................................................32
Select Type of Address +CSTA ....................................................................................................................32
View Modem Timers +WTMR .......................................................................................................................33
Modem Serial Number +WMSN....................................................................................................................33
Chapter 5 - Call Control Commands..................................................................................................................34
Dial Command D...........................................................................................................................................34
Hang-Up Command H ..................................................................................................................................35
Answer a Call A ............................................................................................................................................36
Remote Disconnection ...................................................................................................................................36
Extended Error Report +CEER .....................................................................................................................36
DTMF Signals +VTD, +VTS .........................................................................................................................37
DTMF START and STOP Continuous +WSDT, +WSDS .............................................................................37
Redial Last Telephone Number DL...............................................................................................................38
Automatic Dialing with DTR %Dn..................................................................................................................38
Automatic Answer S0....................................................................................................................................38
Incoming Call Bearer +CICB.........................................................................................................................39
Single Numbering Scheme +CSNS ..............................................................................................................39
Microphone Gain +VGT ................................................................................................................................40
Volume Gain Control +VGR..........................................................................................................................40
Microphone Mute Control +CMUT ................................................................................................................41
Speaker & Microphone Selection +SPEAKER..............................................................................................41
Echo Cancellation +ECHO............................................................................................................................42
Side Tone Modification +SIDET ....................................................................................................................42
Initialize Voice Parameters +VIP...................................................................................................................43
TTY Mode +WTTY ........................................................................................................................................43
Chapter 6 - Network Service Commands ..........................................................................................................44
Signal Quality +CSQ .....................................................................................................................................44
Mode Preference +COPS .............................................................................................................................44
Band Preference +WBND .............................................................................................................................45
Roam Preference +WRMP ...........................................................................................................................46
Network Registration & Roaming +CREG.....................................................................................................47
Change NAM Selection +WNAM ..................................................................................................................48
Read Current NAM +WCNM.........................................................................................................................48
Emergency Mode +WSOS............................................................................................................................49
Extended Roam Indication +WRMW.............................................................................................................50
Chapter 7 - SIM Card Operational Commands..................................................................................................51
Enter PIN +CPIN...........................................................................................................................................51
Enter PIN2 +CPIN2.......................................................................................................................................52
PIN Remaining Attempt Number +CPINC.....................................................................................................52
Facility Lock +CLCK......................................................................................................................................53
Change Password +CPWD...........................................................................................................................54
Card Identification +CCID .............................................................................................................................54
Chapter 8 - Short Messages Commands ..........................................................................................................55
Parameters Definition ....................................................................................................................................55
Select Message Service +CSMS ..................................................................................................................56
New Message Acknowledgement +CNMA ...................................................................................................56
Preferred Message Storage +CPMS.............................................................................................................57
Show Text Mode Parameters +CSDH ..........................................................................................................57
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C
Table of Contents
4
Advertisement
Table of Contents
