Gsm Commands - Digicom pocket GSM User Manual

PocketGSM

4.2.2. 07.07 GSM COMMANDS

AT+CBST Line Speed Setting
This command is used to select the line speed and the protocol for the DATA calls.
If Multistandard is selected:
when transmitting, the modem sets with the maximum speed available on the GSM
network (for Italy V.32 9600 bit/s)
when receiving the modem recognizes the speed and the protocol suggested from the
remote device.
For further information on AT+CBST command, see the chapter "Functional Examples".
Command
AT+CBST=<speed>,<mode>,<ce> OK / ERROR
AT+CBST?
AT+CBST=?
Default: AT+CBST=0,0,1
<speed> <mode> <ce>
0
1
2
4
6
7
66
68
70
71
Possible answers
+CBST: 0,0,1
+CBST: (0-7...), (0),...
Description
0 1 Multistandard
0 1 V.21
0 1 V.22
0 1 V.22 bis 2400 bit/s
0 1 V.32
0 1 V.32
0 1 V.110
0 1 V.110
0 1 V.110
0 1 V.110
4.11
Action
Sets the speed and the protocol
Shows the current settings
Shows the available settings
300 bit/s No Transparent
1200 bit/s No Transparent
No Transparent
4800 bit/s No Transparent
9600 bit/s No Transparent
1200 bit/s No Transparent
2400 bit/s No Transparent
4800 bit/s No Transparent
9600 bit/s No Transparent
AT Commands