Specifications
UC864-E/G/WD/WDU AT Commands Reference Guide
80304ST10041a Rev. 7 - 2010-10-14
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 90 of 318
3.5.4.3.16. SS Notification - +CSSN
+CSSN - SS Notification
AT+CSSN=[<n>
[,<m>]]
It refers to supplementary service related network initiated notifications.
Set command enables/disables the presentation of notification result codes
from TA to TE.
Parameters:
<n> - sets the +CSSI result code presentation status
0 - disable
1 - enable
<m> - sets the +CSSU result code presentation status
0 - disable
1 - enable
When <n>=1 and a supplementary service notification is received after a
mobile originated call setup, an unsolicited code:
+CSSI: <code1>
is sent to TE before any other MO call setup result codes, where:
<code1>:
0 - unconditional call forwarding is active
1 - some of the conditional call forwardings are active
2 - call has been forwarded
3 - call is waiting
5 - outgoing calls are barred
6 - incoming calls are barred
When <m>=1 and a supplementary service notification is received during a
mobile terminated call setup or during a call, an unsolicited result code:
+CSSU: <code2>
is sent to TE, where:
<code2>:
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).
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)
AT+CSSN? Read command reports the current value of the parameters.
AT+CSSN=? Test command reports the supported range of values for parameters <n>,
<m>.
Reference 3GPP TS 27.007