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GM29 INTEGRATOR’S MANUAL
124
LZT 123 7361 R1B
7.2 AT+CHSD HSCSD Device Parameters
Shows information about HSCSD features supported by the ME/TA.
Description Command Possible Responses
Show HSCSD features
supported by the ME/TA
AT+ CH SD • +CHSD: <mclass>,<maxRx>,
<maxTx>,<sum>,<codings>
• +CME ERROR: <err>
•OK
•ERROR
Test if command is
supported
AT+CHSD=? • +CME ERROR: <err>
•OK
•ERROR
<mclass> Description
2 Multislot class is 2
<maxRx> Description
2 Maximum number of receive timeslots that ME can use is 2
<maxTx> Description
1 Maximum number of transmit timeslots that ME can use is 1
<sum> Description
3 Total number of receive and transmit timeslots that ME can use at the
same time is 3 (i.e. 2+1). The following applies in a HSCSD call: 2
(receive slots) + (transmit slots) <sum>
<codings> Description
4 Indicates that the accepted channel coding for the next established
non-transparent HSCSD call is 9.6kbits/s only