Call Control
3-52 G24-L AT Commands Reference Manual April 15, 2008
Example
AT+CSSN=? // test command
+CSSN: (0-1),(0-1)
OK
AT+CSSN=0,0 // disable both options
OK
AT+CSSN=1,0 // set n value as enabled, m disabled
OK
AT+CSSN?
+CSSN: 1,0 // display the current n & m values
OK
+CSSI: 1 // displayed after mobile originated call setup of call forward and n
enable
+CSSU: 2 //displayed when a call has been placed on hold (during the call) using
the +CHLD AT command and m enable
5 Call on hold has been released
(during a voice call; not a
supplementary service
notification)
Yes
6 Forward check supplementary
service message received (can be
received at any time)
Yes
7 Call is being connected with the
remote party in an alerted state
using an explicit call transfer
operation (during a voice call).
Yes
8 Call has been connected with the
other remote party using an
explicit call transfer operation
(during a voice call or during
mobile-terminated call setup).
Number and subaddress
parameters may be present:
<number>String type phone
number of format defined by
<type>
<type>Type of address octet in
integer format (refer to GSM
04.08 [8], subclause 10.5.4.7)
<subaddr>String type subaddress
of format defined by <satype>
<satype>Type of subaddress
octet in integer format (refer to
GSM 04.08 [8], subclause
10.5.4.8)
Yes
9 Deflected call
(mobile-terminated call setup)
No
Table 3-28: +CSSU Notification Values (Cont.)
Value Description G24-L Support
