HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
Call Control Commands
Issue 04 (2013-01-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
129
(a)The modifiers “D T P W @ ! $ A B C” are not supported and will be ignored when
appearing in the dial string.
(b)‟+‟ indicates a international call only when it is the first character of the dial string.
Otherwise it will be ignored.
(c)Any other characters appearing in the dial string that can‟t be recognized as a valid
part of the call addressing information or as a valid modifier will be ignored.
<text>: indicator of interface speed.
UART: 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400
USB: 384000
9.2 A–Answer Call
9.2.1
Command Syntax
Command
Possible response(s)
A
Data call:
<CR><LF>CONNECT [<text>]<CR><LF>
Voice call:
<CR><LF>OK<CR><LF>
<CR><LF>+CME ERROR: <err><CR><LF>
9.2.2
Description
The EXECUTION command is used to answer a new incoming call. When there is an
incoming voice call, only PS incoming call can be answered by this command. When
in PS call, only voice incoming call can be answered. When voice call and PS call
incoming at the same time, voice call can be answered first, and then the PS call will
be answered.
Note:
Any additional commands on the same command line are ignored.
9.2.3
Defined Values
<text>: indicator of interface speed.
UART: 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400
USB: 384000