this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
3 – call is waiting
5 – outgoing calls are barred
Refer "Closed user group +CCUG".
0 – this is a forwarded call (MT call setup)
2 – call has been put on hold (during a voice call)
3 – call has been retrieved (during a voice call)
5 – call on hold has been released (this is not a SS notification) (during a voice call)
String type phone number of format specified by .
Type of address octet in integer format; default 145 when dialing string includes international
access code character "+", otherwise 129.
String type sub address of format specified by .
Type of sub address octet in integer format, default 128.
Examples
AT+CSSN=1,1
OK
AT+CSSN
+CSSN: 1,1
OK
9.15 AT+CLCC List current calls
Description
Return list of current calls of ME. If command succeeds but no calls are available, no information
response is sent to TE.
SIM PIN References
NO 3GPP TS 27.007
Syntax
Test Command
AT+CLCC=
Read Command
AT+CLCC
Responses
+CLCC: (list of supported s)
OK
Responses
+ CLCC:
SIM5218_Serial _ATC_V1.36 166
5/15/2012