Sony Ericsson GM47, GM48 manual Data CSD/HSCSD, Select Bearer Service Type, At+Cbst?, At+Cbst=?

5. Data - CSD/HSCSD

Note! Since the module does not support V42bis compression the following commands have not been implemented:

•AT+DS

•AT+DR

5.1 AT+CBST	Select Bearer Service Type
	Description	Command	Possible Responses
	Select bearer service	AT+CBST=[<speed>,	•	OK
	type	[<name>,[<ce>]]]	•	ERROR
	Show the current	AT+CBST?	•	+CBST:
	setting			<speed>,<name>,
				<ce>
			• OK
			• ERROR
	Show if the command	AT+CBST=?	• +CBST: (list of supported
	is supported			<speed>s,list of
				supported <name>s, list
				of supported <ce>s)

• OK

• ERROR

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.

<speed>	Description
0	Auto selection of baud rate
4	2400bps V.22bis
6	4800bps V.32
7	9600bps V.32
12	9600bps V.34
15	19200bps V.34
68	2400bps V.110 (ISDN)
70	4800bps V.110 (ISDN)

153

LZT 123 7263 R1C