Specifications
AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 65 Ver. 1.00 – 10/29/2008
2.1.3.15. AT+CSSN Supplementary Service Notifications
(continued)
<index> refer "Closed user group +CCUG"
<code2> 0 this is a forwarded call (MT call
setup)
1 this is a CUG call (also <index>
present) (MT call setup)
2 call has been put on hold (during a
voice call)
3 call has been retrieved (during a voice
call)
4 multiparty call entered (during a voice
call)
5 call on hold has been released (this is
not a SS notification) (during a voice
call)
6 forward check SS message received
(can be received whenever)
7 call is being connected (alerting) with
the remote party in alerting state in
explicit call transfer operation (during
a voice call)
8 call has been connected with the other
remote party in explicit call transfer
operation (also number and
subaddress parameters may be
present) (during a voice call or MT call
setup)
9 this is a deflected call (MT call setup)
<number> string type phone number of format
specified by <type>
<type> type of address octet in integer format
<subaddr> string type subaddress of format specified
by <satype>
<satype> type of subaddress octet in integer format