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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.
60
Execution
command
ATD*98[*<cid>]#
Function
Establishes a communication link between the TE and PDN.
Response
z
In case of successful execution:
<CR><LF>CONNECT<CR><LF>
z
In case of failed link establishment: <CR><LF>NO
CARRIER<CR><LF>
z
In case of an error: <CR><LF>ERROR<CR><LF> or
<CR><LF>+CME ERROR: <err><CR><LF>
Parameter description
<cid>: integer, which indicates the index value of the PDP context; ATD*98# is
equivalent to ATD*98*1#.
1-3
7.4 ATH - Command for Hanging Up the Connection
The ATH command hangs up all voice call on the current channel and currently
connected data service
Execution
command
ATH[<n>]
Function
Hangs up all voice call on the current channel and currently
connected data service
Response
<CR><LF>OK<CR><LF>
Note:
z
The ATH command can deactivate all activated or online PDP contexts. This command
cannot be used in the PDP deactivation process that is triggered when the LCP is
terminated or the DTR pin is lowered.
z
In addition, the ATH command can reject the request for activating the PDP context on the
network. The request reports URC“RING: GPRS” or “+CRING: GPRS”.
Parameter description
<n>: integer; ATH is equivalent to ATH0.
z
0 (default value): hangs up all CS domain call in activated and waiting state
(including voice and CSD data services) and GPRS data services on the current
channel.
z
1: hangs up all CS domain call in activated and waiting state (including voice and
CSD data services) and GPRS data services on all channels.
z
2: hangs up all CS data services on the current channel.