User Manual

165
LZT 123 7263 R1A
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 current HSCSD
call parameters
AT+CHSC • +CHSC:<rx>,<tx>,<aiur
>,<coding>
•+CMEERROR:<err>
•OK
•ERROR
Test if command is
supported
AT+CHSC=? •+CMEERROR:<err>
•OK
•ERROR
<rx> Description
0 NoHSCSDcallisactive.Seealsonotebelow
1 The number of receive timeslots currently in use is 1
2 The number of receive timeslots currently in use is 2
3 The number of receive timeslots currently in use is 3. Not
supported
4 The number of receive timeslots currently in use is 4. Not
supported
<tx> Description
0 NoHSCSDcallisactive.Seealsonotebelow
1 The number of transmit timeslots currently in use is 1
2 The number of transmit timeslots currently in use is 2. Not
supported
3 The number of transmit timeslots currently in use is 3. Not
supported
4 The number of transmit timeslots currently in use is 4. Not
supported