Defined Values; Dtmf-Send Dtmf Key Value; Command Syntax; Description - Huawei MU509 At Command Interface Specification

HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification

9.12.3 Defined Values

<n>: 0–255
0: Disable the function of AUTOANSWER (default value).
1–255: MS will answer the call automatically after Ring n times.
9.13 ^DTMF–Send DTMF Key Value

9.13.1 Command Syntax

Command
^DTMF=<call_id>,<dtmf_digit>

9.13.2 Description

The EXECUTION command is used to send DTMF key value to network during voice
call.
9.13.3 Defined Values
<call_id>: the ID of the current call.
1–9
<dtmf_digit>: DTMF key value. It just only includes 0–9 and *, #, every time only one
character is supported.
Note:
9.14 ^ORIG–Indicate Call Origination
9.14.1 Command Syntax
Command
Issue 04 (2013-01-28)
The interval of two AT^DTMF commands must be more than 3.33 ms.
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Possible response(s)
<CR><LF>OK<CR><LF>
<CR><LF>ERROR<CR><LF>
<CR><LF>+CME ERROR: <err><CR><LF>
Possible response(s)
<CR><LF>^ORIG:<call_id>,<call_type><CR><LF>
Call Control Commands
139