Sony Ericsson GM47 - Data Services: CSD and HSCSD; AT+CBST: Select Bearer Service Type

147
LZT 123 7263 R1A
5. Data - CSD/HSCSD
5.1 AT+CBST Select Bearer Service Type
Selects the bearer service <name> with data rate <speed>, and the
connection element <ce> to be used when data calls are originated.
Values may also be used during mobile terminated data call setup,
especially in the case of single numbering scheme calls.
Test command returns values supported by the TA as compound values.
Description Command Possible Responses
Select bearer service
type
AT+CBST=[<speed>,[<n
ame>,[<ce>]]]
•OK
•ERROR
Read the command AT+CBST? •+CBST:
<speed>,<name>,<
ce>
•OK
•ERROR
Test if the command is
supported
AT+CBST=? •+CBST:(listof
supported
<speed>s,list of
supported<name>s,
list of supported
<ce>s)
•OK
•ERROR
<speed> Description
0 Auto selection of baud rate
4 2400bps V.22bis
6 4800bps V.32
7 9600bps V.32
12 9600bps V.34
14 14400bps V.34
15 19200bps V.34
16 28800bps V.34
68 2400bps V.110 (ISDN)
70 4800bps V.110 (ISDN)
71 9600bps V.110 (ISDN)
75 14400bps V.110 (ISDN)