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7. DATA - HSCSD
127
LZT 123 7361 R1B
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