Multitech MTCMR-H User's Guide download pdf (Page 111)

Chapter 3 – Supported GSM/WCDMA AT Commands

High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A) 111

+CMUT Microphone Mute Control

Description: This command mutes the microphone input on the product (for the active microphone set

with the +SPEAKER command). This command is allowed only during a call.

Syntax:

Command Responses

Action Command:

AT+CMUT=<mode>

Read Command:

AT+CMUT?

+CMUT: <mode>

Test Command:

AT+CMUT =?

+CMUT: (list of supported <mode>s)

Values: <mode> Microphone Mute Mode

0 Microphone mute off. Default

1 Microphone mute on.

Parameter Storage: None

Examples:

Command Responses

AT+CMUT=? +CMUT: (0,1)

AT+CMUT=1

Note: Mute ON (call active)

AT+CMUT?

Note: Ask for current value

+CMUT: 1

Note: Mute is active (call active)

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Multitech MTCMR-H User's Guide Page 111