Sony Ericsson GM48 Cell Phone User Manual


 
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LZT 123 7263 R1C
7. Data - HSCSD
7.1 AT+CHSC HSCSD Current Call Parameters
Returns information about the current HSCSD call parameters, i.e. the
current number of receive and transmit timeslots, air interface user rate
and channel coding.
Description Command Possible Responses
Show the current
setting
AT+CHSC +CHSC:<rx>,<tx>,<aiur>,<coding>
+CME ERROR: <err>
•OK
•ERROR
Show if the
command is
supported
AT+CHSC=? +CME ERROR: <err>
•OK
•ERROR
<rx> Description
0 No HSCSD call is active. See also note below
1 The number of receive timeslots currently in use is 1
2 The number of receive timeslots currently in use is 2
<tx> Description
0 No HSCSD call is active. See also note below
1 The number of transmit timeslots currently in use is 1
<aiur> Description
0 No HSCSD call is active. See also note below.
1 Current air interface user rate is 9.6kbits/s
3 Current air interface user rate is 19.2kbits/s
<coding> Description
0 No HSCSD call is active. See also note
4 Current channel coding is 9.6kbits/s (TCH/F9.6)
8 Current channel coding is 14.4kbits/s (TCH/F14.4)