Rainbow Electronics GM862-QUAD-PY - Manual (Page 108)

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 108 of 434
+CLCC - List Current Calls SELINT 2
Note: If no call is active then only OK message is sent. This command is
useful in conjunction with command +CHLD to know the various call status
for call holding.
AT+CLCC=? Test command returns the OK result code
Reference GSM 07.07
3.5.4.3.16 SS Notification - +CSSN
+CSSN - SS Notification SELINT 0 / 1
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>:
1 - some of the conditional call forwarding 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)