Microphone Mute Control +Cmut; Speaker & Microphone Selection +Speaker - Multitech MMCModem GPRS (MTMMC-G) Reference Manual

Microphone Mute Control +CMUT

Description:
This command mutes the microphone input on the product (for the active microphone set with the
+SPEAKER command). This command is only allowed during a call.
Values: <mode>
Syntax:
AT+CMUT=<mode>
Command
AT+CMUT=?
Note: Test command
AT+CMUT?
Note: Ask for current value
AT+CMUT=1
Note: Mute ON (call active)
AT+CMUT?
Note: Ask for current value
AT+CMUT=0
Note: Mute OFF (call not active)
Speaker & Microphone Selection +SPEAKER
Description: This specific command selects the speaker and the microphone set.
Values: <ActiveSpkMic>
Syntax:
AT+SPEAKER=<ActiveSpkMic>
Command
AT+SPEAKER=0
Note: Speaker ONE and Micro ONE
AT+SPEAKER?
AT+SPEAKER=?
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)
0
microphone mute off (default value).
1
microphone mute on.
0
Speaker One, Micro One
1
Speaker Two, Micro Two
Possible responses
+CMUT: (0,1)
OK
Note: Enable / disable mute
+CMUT: 0
OK
Note: Current value is OFF
OK
Note: Command valid
+CMUT: 1
OK
Note: Mute is active (call active)
+CME ERROR:3
Note: Command not valid
Possible responses
OK
Note: Command valid
+SPEAKER: 0
OK
Note: Speaker ONE and Micro ONE are active
+SPEAKER: (0,1)
OK
Chapter 5 – Call Control Commands
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