Sony Ericsson TT4031 (SE-GM29) - Manual (Page 128)

Owner’s Manual Rev 1.0 Page 128 of 128
Data - HSCSD
7.1 AT+CHSC HSCSD Current Call Parameters
Description Command Possible Responses
Show current HSCSD
call parameters
AT+CHSC •_ +CHSC:<rx>,<tx>,<aiur>,<codi
ng>
•_ +CME ERROR: <err>
•_ OK
•_ ERROR
Test if command is
supported
AT+CHSC=?
•_ +CME ERROR: <err>
•_ OK
•_ ERROR
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.
<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 9.6 kbits/s
3 Current air interface user rate is 19.2 kbits/s