Sony Ericsson TT4031 (SE-GM29) - Manual (Page 129)

Owner’s Manual Rev 1.0 Page 129 of 129
<coding> Description
0 No HSCSD call is active. See also note
4 Current channel coding is 9.6 kbits/s (TCH/F9.6)
8 Current channel coding is 14.4 kbits/s (TCH/F14.4)
7.2 AT+CHSD HSCSD Device Parameters
Description Command Possible Responses
Show HSCSD features
supported by the ME/TA
AT+CHSD
•_ +CHSD:
<mclass>,<maxRx>,
<maxTx>,<sum>,<codings
>
•_ +CME ERROR: <err>
•_ OK
•_ ERROR
Test if command is
supported
AT+CHSD=?
•_ +CME ERROR: <err>
•_ OK
•_ ERROR
Shows information about HSCSD features supported by the ME/TA.
<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>