Technical data

WMO2 G900 / G1800 / G1900
WCOM/GSM/WMO2/WMO2ATDOC Friday 21 May 1999
WAVECOM confidential © 33
This command instructs the module to set the microphone mute or not for
the active microphone (defined with+SPEAKER command). This command
is only allowed during a call.
<mode> takes the following values:
0: microphone mute off.
1: microphone mute on.
Application to GSM AT+CMUT=? Test command
GSM to application +CMUT: (0,1)
OK
Enable/disable mute
Application to GSM AT+CMUT? Ask for current value
GSM to application +CMUT: 0
OK
Current value is OFF
Application to GSM AT+CMUT=1 Mute ON (call active)
GSM to application OK Command valid
Application to GSM AT+CMUT? Ask for current value
GSM to application +CMUT: 1
OK
Mute is active (call
active)
Application to GSM AT+CMUT=0 Mute OFF
GSM to application OK Command valid
4.2.11 Speaker & Microphone selection +SPEAKER
This specific command is used to choose the speaker and the microphone.
The application shall send
AT+SPEAKER=<ActiveSpkMic>
<ActiveSpkMic>
0 SPEAKER ONE, MICRO ONE
1 SPEAKER TWO, MICRO TWO
Application to GSM AT+SPEAKER=0 SPEAKER ONE and MICRO one
GSM to application OK Command valid
Application to GSM AT+SPEAKER?
GSM to application +SPEAKER: 0
OK
SPEAKER ONE and MICRO ONE
are active