Modem Status, Customization, and Reset Commands
Rev.
6
Oct.18
Proprietary and Confidential - Contents subject to change
41
+CBST
Select Circuit-Switched Bearer
Select the circuit-switched bearer to use for data calls (mobile-originated or mobile-
terminated).
Notes:
Only the following combinations are supported—If other combinations of valid
parameter values are specified, ERROR will be returned:
• <speed>=valid values up to 83; <name>=0; <ce>=1
• <speed>=83; <name>=4; <ce>=1
• <speed>=116 or 134; <name>=1; <ce>=0
Supporting devices:
WPx5xx/WP76xx
Password required:
No
Usage:
•
Execution:
AT+CBST=[<speed>],[<name>],[<ce>]
Response:
OK
Purpose:
Configure the circuit-switched bearer.
•
Query:
AT+CBST?
Response:
+CBST: <speed>,<name>,<ce>
OK
Purpose:
Report current settings.
•
Query List:
AT+CBST=?
Purpose:
Return the execution command format and the supported parameter values.
Parameters:
<speed> (Data call connection speed)
•
0—(Default) Autobaud (automatic speed selection)
•
7—9600 bps (V.32)
•
12—9600 bps (V.34)
•
14—14400 bps (V.34)
•
16—28800 bps (V.34)
•
17—33600 bps (V.34)
•
39—9600 bps (V.120)
•
43—14400 bps (V.120)
•
48—28800 bps (V.120)
•
51—56000 bps (V.120)
•
71—9600 bps (V.110)
•
75—14400 bps (V.110)
•
80—28800 bps (V1.110)
•
81—38400 bps (V.110)
•
83—56000 bps (X.31 flag stuffing, UDI/RDI)
•
116—64000 bps (bit transparent)
•
134—64000 bps (multimedia)
<name> (Bearer Service)
•
0—(Default) Data circuit asynchronous (UDI or 3.1 kHz modem)
•
1—UI Data circuit synchronous (UDI or 3.1 kHz modem)
•
4—Data circuit asynchronous (RDI)
<ce> (Connection element)
•
0—Data transparent
•
1—Data non-transparent
Table 3-2: Modem Status Command Details (Continued)
Command
Description
