Filter
Top Products
HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Call Control
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
65
settings also apply to MT data services, especially in the case that single number
data services or the data services originated by similar devices are received.
7.9.1 Querying the Supported Bearer Service Types
Test
command
AT+CBST=?
Function
Queries the supported bearer service types.
Response
<CR><LF>+CBST: (list of supported <speed>s),(list of supported
<name>s), (list of supported <ce>s)<CR><LF>
<CR><LF>OK<CR><LF>
Parameter description
<speed>: integer, which indicates the data rate.
z
0: adaptive baud rate
z
7: 9600 bit/s (V.32) (default value)
z
71: 9600 bit/s (V.110)
<name>: integer
0: asynchronous data circuit (UDI or 3.1kHz modem)
<ce>: integer. The transparent transmission mode is not supported.
1: non-transparent transmission
7.9.2 Querying the Current Bearer Service Type
Read
command
AT+CBST?
Function
Queries the current bearer service type.
Response
<CR><LF>+CBST: <speed>,<name>,<ce><CR><LF>
<CR><LF>OK<CR><LF>
7.9.3 Setting the Bearer Service Type
Write
command
AT+CBST=<speed>[,<name>[,<ce>]]
Function
Sets the bearer service type.
Response
z
In case of successful execution: <CR><LF>OK<CR><LF>
z
In case of an error: <CR><LF>ERROR<CR><LF>