BGS2T AT Command Set
7.22 AT^SLCC
BGS2T_ATC_V01.301 Page 162 of 554 1/31/12
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7.22 AT^SLCC Extended list of current calls
AT^SLCC covers essentially the same information as the 3GPP TS 27.007 [35] command AT+CLCC, with the fol-
lowing extensions:
• The execute command response contains the additional parameter <traffic channel assigned> which
indicates whether the call has been assigned a traffic channel by the network and transmission of DTMF
tones, data or inband information is possible.
• The additional write command allows to activate event reporting for the list of current calls. If event reporting
is active for an interface, a call status transition (cf. Call Status Information) and (if desired) the
assignment of a traffic channel will generate an event report indication to this interface. In order to receive
this event report as an URC, the URC presentation mode for this interface has to be configured with
AT+CMER. Interface settings are saved with AT&W and can be displayed with AT&V
The frequency of event report generation can be configured with AT command AT^SCFG. Refer to Call
Status Information for further detail on the configuration options.
• The additional read command returns an indication whether event reporting is active for the current interface.
Mind that the URC will be displayed only if the URC presentation mode for the interface concerned has been
configured with AT+CMER.
• The exec command returns, like AT+CLCC, a list of current calls. If the command is successful, but no calls
are available, no information response is sent to the TE.
Syntax
Test Command
AT^SLCC=?
Response(s)
^SLCC: (list of supported<n>s)
OK
Read Command
AT^SLCC?
Response(s)
^SLCC: <n>
OK
Exec Command
AT^SLCC
Response(s)
[^SLCC:<idx>, <dir>, <stat>, <mode>, <mpty>, <traffic channel assigned>[, <number>,
[^SLCC:<idx>, <dir>, <stat>, <mode>, <mpty>, <traffic channel assigned>[, <number>,
[^SLCC:...]
OK
ERROR
+CME ERROR: <err>
Write Command
AT^SLCC=[<n>]
Response(s)
OK
ERROR
+CME ERROR: <err>
PIN ASC0 MUX1 MUX2 MUX3 Last
+ + + + + - -
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