AT Commands Phone Terminal Terminated
51
AT+CSSN
Supplementary Service Notification
AT+CAOC
Advice of Charge
1X
Releases the specific active call X
2
Places all active calls on hold and accepts the other (held or
waiting) call
2X
Places all active calls, except call X, on hold
3
Adds a held call to the conversation
4
Connects two calls and disconnects the subscriber from both
calls
Description:
and
unsolicited result codes are enabled.
Set command:
AT+CSSN=
[<n>[,<m>]]
Read command:
AT+CSSN?
Displays the current <n> and <m> settings.
Test command:
AT+CSSN=?
Shows if the command is supported.
Test command
response:
+CSSN: (list of supported <n>s),(list of supported<m>s)
Parameters:
<n>:
<n>
Description
0
Disables the +CSSI result code presentation status in the TA
Default setting
1
Enables the +CSSI result code presentation status in the TA
<m>:
<m>
Description
0
Disables the +CSSU result code presentation status in the
TA
Default setting
1
Enables the +CSSU result code presentation status in the
TA.
Description:
Sets the current call meter value in hexadecimal format. Must be supported on the SIM
card. Enables the
unsolicited result code reporting.
Execution command:
AT+CAOC
[
=
<mode>]
Read command:
AT+CAOC
Displays the current <mode> setting.
Test command:
AT+CAOC=?
Shows if the command is supported.
Test command
response:
+CAOC: (list of supported <mode>s)
<n>
Description