HUAWEI MC509 CDMA LGA Module

 

AT Command Interface Specification

Call Control Commands

7.3.3Parameter Description

<dial_string>: Specifies the called number, consisting of ASCII characters. Allowed characters include only 0–9, *, #, and +. The + symbol can only be placed at the beginning of a number. The maximum length of a number cannot exceed 65.

7.3.4Example

AT+CDV13372311111

OK

^ORIG:0,0

7.4 +CHVCommand for Disconnecting a Voice Call

7.4.1 Syntax

Command

Possible Response(s)

 

 

+CHV[<value>]

<CR><LF>OK<CR><LF>

 

In case of an MT-related error:

 

<CR><LF>+CME ERROR:<err><CR><LF>

 

 

7.4.2Interface Description

This command disconnects a voice call.

7.4.3Parameter Description

<value>: An integer. The connection is interrupted and "OK" is returned only when the value is 0. (The connection cannot be interrupted when the value is not 0, and the response result is "ERROR".) If there is no voice connection, "OK" is returned.

In case of using the command without <value>, <value> is set to 0.

7.5 ACommand for Answering a Call A

7.5.1 Syntax

Command

Possible Response(s)

 

 

A

<CR><LF>OK<CR><LF>

 

 

Issue 01 (2011-08-26)

Huawei Proprietary and Confidential

74

Copyright © Huawei Technologies Co., Ltd.

 

 

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Huawei MC509 manual +CHV-Command for Disconnecting a Voice Call, Command for Answering a Call a, AT+CDV13372311111 ORIG0,0