User's Manual

7. DATA - HSCSD
127
LZT 123 7361 R1A
but before possible TE-TA rate (+ILRR) reporting and before the
intermediate result code CONNECT is transmitted. The format of the
intermediate result code is:
+CHSR: <rx>,<tx>,<aiur>,<coding>
For the value definitions, refer to “AT+CHSC HSCSD Current Call
Parameters”, page 123. For instance, for a non-transparent HSCSD call,
result code ‘CHSR: 2, 1, 4, 8’ means that the call has two timeslots
downlink, one timeslot uplink, the air interface user rate is 28.8 kbits/s
and the used channel coding is
TCH/F14.4.
Itermediate Result Codes:
+CHSR: <rx>,<tx>,<aiur>,<coding>
7.5 AT+CHSU HSCSD Automatic User Initiated Upgrading
Enables or disables the HSCSD automatic user-initiated upgrade.
<mode> Description
0 Disable reporting
1 Enable reporting
Description Command Possible Responses
Set HSCSD automatic
user initiated
upgrading on or off
AT+CHSU=[<mode>] •OK
•ERROR
Show current setting AT+CHSU? •+CHSU=<mode>
•OK
•ERROR
Test if command is
supported and show
parameter range
AT+CHSU=? +CHSU: (list of
supported
<modes>s)
•OK
•ERROR
<mode> Description
0 Disable use of UP bit for upgrading. Default value
1 Enable use of UP bit for upgrading