Chapter 5 Network Service Commands.......................................................................5-1
Signal Quality: +CSQ.............................................................................................................. 5-2
Operator Selection: +COPS..................................................................................................... 5-2
Network Registration: +CREG................................................................................................ 5-4
Operator List Management: +WOLM..................................................................................... 5-5
Read Operator Name: +WOPN................................................................................................5-6
Selection of Preferred PLMN List: +CPLS............................................................................. 5-8
Preferred Operator List: +CPOL..............................................................................................5-9
Read Operator Name: +COPN................................................................................................5-11
Chapter 6 Security Commands ....................................................................................6-1
Enter PIN: +CPIN.................................................................................................................... 6-2
Enter PIN2: +CPIN2................................................................................................................ 6-3
PIN Remaining Attempt Number: +CPINC.............................................................................6-4
Facility Lock: +CLCK............................................................................................................. 6-5
Change Password: +CPWD..................................................................................................... 6-7
Chapter 7 Short Message Commands.........................................................................7-1
Parameter Definitions.............................................................................................................. 7-2
Select Message Service: +CSMS............................................................................................. 7-3
New Message Acknowledgement: +CNMA............................................................................7-3
Preferred Message Storage: +CPMS........................................................................................7-5
Preferred Message Format: +CMGF........................................................................................7-6
Save Settings: +CSAS............................................................................................................. 7-7
Restore Settings: +CRES.........................................................................................................7-7
Show Text Mode Parameters: +CSDH.................................................................................... 7-7
New Message Indication: +CNMI........................................................................................... 7-8
Read Message: +CMGR.......................................................................................................... 7-9
List Message: +CMGL.......................................................................................................... 7-10
Send Message: +CMGS..........................................................................................................7-11
Write Message to Memory: +CMGW....................................................................................7-12
Send Message From Storage: +CMSS...................................................................................7-13
Set Text Mode Parameters: +CSMP...................................................................................... 7-13
Delete Message: +CMGD...................................................................................................... 7-14
Service Center Address: +CSCA........................................................................................... 7-15
Select Cell Broadcast Message Types: +CSCB..................................................................... 7-16
Cell Broadcast Message Identifiers: +WCBM.......................................................................7-16
Message Status Modification: +WMSC.................................................................................7-17
Message Overwriting: +WMGO............................................................................................7-17
Un-change SMS Status: +WUSS........................................................................................... 7-18
Copy Messages: +WMCP......................................................................................................7-19
More Messages to Send: +CMMS......................................................................................... 7-21
Chapter 8 Data Commands...........................................................................................8-1
Using AT Commands During a Data Connection.................................................................... 8-2
Bearer Type Selection: +CBST................................................................................................8-2
Select Mode: +FCLASS.......................................................................................................... 8-3
Service Reporting Control: +CR..............................................................................................8-3
Cellular Result Codes: +CRC.................................................................................................. 8-4
DTE-DCE Local Rate Reporting: +ILRR................................................................................8-4
Radio Link Protocol Parameters: +CRLP................................................................................ 8-5
Select Data Compression: %C................................................................................................. 8-6
V42 bis Data Compression: +DS............................................................................................. 8-6
V42 bis Data Compression Report: +DR.................................................................................8-7