HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Data Services
Issue 02 (2010-11-23) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd. 132
9.10 AT+CGSMS - Command for Selecting the MO SMS Bearer Domain
The AT+C GSM S command sets the MT SMS bearer domain.

9.10.1 Querying the Supported SMS Bearer Domains

Test
command
AT+CGSMS=?
Function Queries the supported SMS bearer domains.
Response z In case of successful execution:
<CR><LF>+CGSMS:(list of supported <service>s)<CR><LF>
<CR><LF>OK<CR><LF>
z In case of an error during command execution:
<CR><LF>ERROR<CR><LF>
z In case of an error related to the MT during command execution:
<CR><LF>+CME ERROR: <err><CR><LF>
Parameter description
<service>: numeric parameter.
z 0: GPRS
z 1: CS domain
z 2: GPRS is preferred (if GPRS is unavailable, CS domain is used.)
z 3 (default value): CS domain is preferred (if CS domain is unavailable, GPRS is
used.)

9.10.2 Reading the Current SMS Bearer Domain

Read
command
AT+CGSMS?
Function Reads the current settings.
Response z In case of successful execution:
<CR><LF>+CGSMS:< service><CR><LF>
<CR><LF>OK<CR><LF>
z In case of an error during command execution:
<CR><LF>ERROR<CR><LF>
z In case of an error related to the MT: <CR><LF>+CME ERROR:
<err><CR><LF>