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. 67
7.12 AT+CHUP - Command for Hanging Up Data Services
The AT+C HUP command hangs up all active and suspended call (including voice
and CSD data service).

7.12.1 Checking Whether AT+CHUP Hang-up Is Supported

Test
command
AT+CHUP=?
Function Checks whether AT+CHUP hang-up is supported.
Response z In case of successful execution: <CR><LF>OK<CR><LF>
z In case of an error: <CR><LF>ERROR<CR><LF>
z In case of an error related to the MT: <CR><LF> +CME
ERROR: <err><CR><LF>

7.12.2 AT+CHUP Command for Hanging Up

Execution
command
AT+CHUP
Function Hangs up all active and suspended data services. (including voice and
CSD data service)
Response z In case of successful execution: <CR><LF>OK<CR><LF>
z In case of an error: <CR><LF>ERROR<CR><LF>
z In case of an error related to the MT: <CR><LF> +CME ERROR:
<err><CR><LF>
7.13 AT+CR - Command for Setting the Service Reporting Mode
The AT+C R command sets whether to report the intermediate result code +CR:
<ser> to the TE during the establishment of data services.