Data Sheet

Smart Machine Smart Decision
See Write Command
Response
+CSSN: <n>,<m>
OK
Read Command
AT+CSSN?
Parameters
See Write Command
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CSSN=<n>[,
<m>]
Parameters
<n> A numeric parameter which indicates whether to show the
+CSSI:<code1>[,<index>] result code presentation status after a mobile
originated call setup
0 disable
1 enable
<m> A numeric parameter which indicates whether to show the
+CSSU:<code2> result code presentation status during a mobile
terminated call setup or during a call, or when a forward check
supplementary service notification is received.
0 disable
1 enable
<code1> 0 Unconditional call forwarding is active
1 Some of the conditional call forwarding are active
2 Call has been forwarded
3 Call is waiting
4 This is a CUG call (also <index> present)
5 Outgoing calls are barred
6 Incoming calls are barred
7 CLIR suppression rejected
<index> Closed user group index
<code2> 0 This is a forwarded call
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
SIM800 Series_AT Command Manual_V1.05 109 2014-07-31