Microphone Mute Control +Cmut; Speaker & Microphone Selection +Speaker - Multitech CDMA Wireless Modem Reference Manual

Microphone Mute Control +CMUT

Description: This command is used to mute 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>
0: Microphone mute off (default value).
1: Microphone mute on.
Syntax: Command 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 command is used to select the speaker and the microphone
Values: <ActiveSpkMic >
0: HEADSET
1: HANDSET
Syntax: Command syntax: AT+SPEAKER=<ActiveSpkMic>
Command
AT+SPEAKER=1
Note: Speaker ONE and Micro ONE
AT+SPEAKER?
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C
Chapter 5 – Call Control Commands
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
set.
Possible Responses
OK
Note: Command valid
+SPEAKER: 1
OK
Note: Speaker ONE and Micro ONE are active.
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