Commands For Call Control; Atd - Command For Originating A Call - Huawei MG323 At Command Interface Specification

HUAWEI MG323 GSM M2M Module
AT Command Interface Specification
This chapter describes the AT commands that are related to the calling and called
parties of the data service.

7.1 ATD - Command for Originating a Call

The ATD command originates a voice call or a CSD data service. For originating a
voice call, the command ends with ";". For establishing a data service connection, the
command ends without ";".
Execution
command
Function
Response
Parameter description
<dialstring>: the telephone number of the called party. "1, 2, 3, 4, 5, 6, 7, 8, 9, 0, *, #,
+, A, B, C, D, P, T, W, @, !" are allowed for this parameter, but of which "T, P, D, !, @"
will be ignored.
Issue 02 (2010-11-23)
7

Commands for Call Control

ATD<dialstring>[;]
Originates voice call or CSD data services.
When originating a voice call
In case of successful execution: <CR><LF>OK<CR><LF>
In case of an error: <CR><LF>ERROR<CR><LF>
or <CR><LF>+CME ERROR: <err><CR><LF>
In case of failed link establishment: <CR><LF>NO
CARRIER<CR><LF>
or <CR><LF>NO ANSWER<CR><LF>
If the called party is busy: <CR><LF>BUSY<CR><LF>
When establishing a CSD data service connection
In case of successful execution:
<CR><LF>CONNECT[<text>]<CR><LF>
In case of failure in establishing the connection: <CR><LF>NO
CARRIER<CR><LF>
If the called party is busy: <CR><LF>BUSY<CR><LF>
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Commands for Call Control
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