AT Command Set
MC35_ATC_01_V05.00 Page 131 of 256 15.07.2002
Test command
AT+CSSN=?
Response
+CSSN: (list of supported <n>s), (list of supported <m>s)OK
Parameter
<n> 0 Suppresses the +CSSI messages
1 Activates the +CSSI messages
<m> 0 Suppresses the +CSSU messages
1 Activates the +CSSU messages
Read command
AT+CSSN?
Response
+CSSN: <n>,<m>OK
Parameter
<n> See Test command
<m> See Test command
Write command
AT+CSSN=<n>[,<m>]
Response
OK
Parameter
<n> See read command
<m> See read command
Unexpected message
+CSSI: <code1> When <n>=1 and a supplementary service notification is
received after a mobile originated call setup, intermediate
result code +CSSI: <code1> is sent to TE before any
other MO call setup result codes
+CSSU: <code2> When <m>=1 and a supplementary service notification is
received during a mobile terminated call setup or during
a call, unsolicited result code +CSSU: code2>is sent to
TE.
Parameter
<code1> Intermediate result code
3 Waiting call is pending
<code2> Unsolicited result code
0 The incoming call is a forwarded call.
5 Held call was terminated
Reference
GSM 07.07
Note