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GM47/GM48 INTEGRATOR’S MANUAL
174
LZT 123 7263 R1C
7.4 AT+CHSR HSCSD Parameters Report
With this command enabled, the intermediate result code +CHSR:
<rx>,<tx>,<aiur>,<coding> is returned (from TA to TE) when an
HSCSD call is being set up. The result code represents the current
(negotiated or renegotiated) HSCSD parameters. If enabled, the
intermediate result code is transmitted at the point of the call setup
negotiation, where the ME/TA has determined what type of HSCSD
connection will be used. Result code transmission is done after possible
service (CR), error control (+ER), and/or compression (+DR) reporting,
<wRx> Description
0 TA/ME shall calculate a proper number of receive
timeslots from currently selected <wAiur> and <codings>
See note below
1 Wanted number of receive timeslots is 1
2 Wanted number of receive timeslots is 2
<topRx> Description
0 Indicates that the user is not going to change <wAiur>
and /or <wRx> during the next call
1 Top value for <wRx> that user is going to request during
the next established non-transparent HSCSD call is 1
2 Top value for <wRx> that user is going to request during
the next established non-transparent HSCSD call is 2
<codings> Description
4 Indicates that the accepted channel coding for the next
established non-transparent HSCSD call is 9.6kbit/s only
Description Command Possible Responses
Set HSCSD parameters
reporting on or off
AT+CHSR=[<mode>] •+CME ERROR: <err>
•OK
•ERROR
Show the current
setting
AT+CHSR? •+CHSR: <mode>
•+CME ERROR: <err>
•OK
•ERROR
Show if the command
is supported
AT+CHSR=? • +CHSR: (list of
supported
<modes>s)
•+CME ERROR: <err>
•OK
•ERROR