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Table of Contents
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 4
Chapter 6 – Network Service Commands .................................................................................................................. 31
Signal Quality +CSQ ............................................................................................................................................... 31
Operator Selection +COPS .................................................................................................................................... 31
Network Registration +CREG ................................................................................................................................. 33
Operator List Management +WOLM ...................................................................................................................... 33
Read Operator Name +WOPN ................................................................................................................................ 34
Selection of Preferred PLMN List +CPLS ............................................................................................................... 36
Preferred Operator List +CPOL .............................................................................................................................. 37
Read Operator Name +COPN ................................................................................................................................ 39
Chapter 7 – Security Commands ................................................................................................................................ 40
Enter PIN +CPIN .................................................................................................................................................... 40
Enter PIN2 +CPIN2 ................................................................................................................................................ 42
PIN Remaining Attempt Number +CPINC .............................................................................................................. 42
Facility Lock +CLCK ............................................................................................................................................... 43
Change Password +CPWD .................................................................................................................................... 44
Chapter 8 – Phonebook Commands .......................................................................................................................... 45
Introduction to Phonebook Commands .................................................................................................................... 45
About the Parameters .............................................................................................................................................. 45
Select Phonebook Memory Storage +CPBS ........................................................................................................... 46
Read Phonebook Entries +CPBR .......................................................................................................................... 47
Write Phonebook Entry +CPBW ............................................................................................................................. 49
Find Phonebook Entries +CPBF ............................................................................................................................ 52
Phonebook Phone Search +CPBP ......................................................................................................................... 53
Move Action in Phonebook +CPBN ........................................................................................................................ 54
Subscriber Number +CNUM ................................................................................................................................... 55
Avoid Phonebook Initialization +WAIP ................................................................................................................... 56
Delete Calls Phonebook +WDCP ........................................................................................................................... 56
Set Voice Mail Number +CSVM .............................................................................................................................. 56
Contact Selector +WCOS ........................................................................................................................................ 57
Create and Delete a Phonebook Group +WPGW ................................................................................................... 57
Read a Phonebook Group +WPGR ........................................................................................................................ 58
Settings of a Phonebook Group +WPGS ................................................................................................................ 59
Chapter 9 – Short Messages ....................................................................................................................................... 60
Parameters Definition ............................................................................................................................................... 60
Select Message Service +CSMS ............................................................................................................................ 61
New Message Acknowledgement +CNMA ............................................................................................................. 61
Preferred Message Storage +CPMS ...................................................................................................................... 63
Preferred Message Format +CMGF ....................................................................................................................... 64
Save Settings +CSAS ............................................................................................................................................ 65
Restore Settings +CRES ........................................................................................................................................ 65
Show Text Mode Parameters +CSDH ..................................................................................................................... 65
New Message Indication +CNMI ............................................................................................................................ 66
Read Message +CMGR ......................................................................................................................................... 68
List Message +CMGL ............................................................................................................................................. 69
Send Message +CMGS ......................................................................................................................................... 70
Write Message to Memory +CMGW ....................................................................................................................... 71
Send Message from Storage +CMSS .................................................................................................................... 72
Set Text Mode Parameters +CSMP ........................................................................................................................ 72
Delete Message +CMGD ....................................................................................................................................... 73
Service Center Address +CSCA ............................................................................................................................ 74
Select Cell Broadcast Message Types +CSCB ...................................................................................................... 74