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HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification

Call Control Commands

Issue 01 (2011-08-26)

Huawei Proprietary and Confidential

–255: Automatic answer is enabled. An incoming call will be answered after the

number of rings set by <value>.

7.8 ^ORIG–Command for Indicating the Origination of a
Call

7.8.1 Syntax

Command

Possible Response(s)

7.8.2 Interface Description

This command indicates that the MT is originating a call.

7.8.3 Parameter Description

<call_x>: Specifies the call ID, uniquely identifying the call. The value ranges from 1
to 9.

<call_type>: Specifies the call type. The values are as follows:

0: voice call

2: PS domain data call (not supported at present)

3: CDMA SMS call (not supported at present)

7: OTA call (standard OTASP numbers)

8: OTA call (non-standard OTASP numbers)

9: emergency call

7.9 ^CONN–Command for Indicating a Call Connection

7.9.1 Syntax

Command

Possible Response(s)

7.9.2 Interface Description

If the MT is the caller, when a call request is successfully sent to the network and a
response from the network is received, the MT reports the response to the TE even