Multi-Tech Systems MMCModem GPRS (MTMMC-G) - Manual (Page 127)

Chapter 13 – Specific AT Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 127
AT+CPHS?
Interrogate the status of CPHS functionality
+CPHS: 1,1 Voice mail indicator functionality is activated
+CPHS: 2,0 Mail box number functionality is deactivated
+CPHS: 3,1 Alternate Line Serve functionality is activated
+CPHS: 4,0 Divert Call Indicator functionality is deactivated
+CPHS: 5,1 Network Operator functionality is activated
+CPHS: 6,1 CPHS Information functionality is activated
+CPHS: 7,1 Customer Service Profile functionality is activated
OK
**** the message box contains 1 message *****
+WVMI:
1,1 A message is waiting on Line 1
***** The message box contains a second message ***
+WVMI:
2,1 A message is waiting on Line 2
AT+CPHS=1,4
Activate Divert Call Indicator functionality
OK
****call forwarding is active on Line 1 *****
+WDCI:
1,1
AT+CPHS=2,1
Interrogate the status of voice mail indicator functionality
+WVMI: 1,1 a message is waiting on LINE 1
+WVMI: 2,1 a message is waiting on LINE 2
+WVMI: 3,0 no data waiting
+WVMI:4,0 no fax waiting
OK
AT+CPHS=1,2
Activate the mail box number functionality
OK
AT+WALS=1
Interrogate the status of activated Line
+WALS:2 Current line is number 2
OK
AT+CPHS=0,4
Deactivate the Divet Call Indicator functionality
OK
AT+CPHS?
Interrogate the status of CPHS functionality
+CPHS: 1,1 Voice mail indicator functionality is activated
+CPHS: 2,1 The mail box number functionality is activated
+CPHS: 3,1 Alternate Line Serve functionality is activated
+CPHS: 4,0 Divert Call Indicator functionality is deactivated
+CPHS: 5,1 Network Operator functionality is activated
+CPHS: 6,1 CPHS Information functionality is activated
+CPHS: 7,1 Customer Service Profile functionality is activated
OK
AT+CPHS=2,2
Query current mail box numbers in SIM
+WMBN: 1,"19254871234",129,1 Mail box number for Line 1
+WMBN: 2,,,1 Mail box number for Line 2
+WMBN: 3,,,1 Mail box number for data Line
+WMBN: 4,,,1 Mail box number for fax Line
OK Only Line1 can be updated