Ericsson T39 - Page 33

AT Commands Phone Terminal Terminated 31
Handle the Music Mute Service
This scenario shows an example of how the music mute service can be handled.
It includes:
• Request of the music mute service
• Query current settings
• Indication of music mute on/off
AT*EALR? Query the current settings
*EALR: 3,1,0
OK
Phone responds with the current settings
(Note: The last parameter indicates that the audio is
either disabled or routed elsewhere)
Call answered by using the ‘Yes’ button on the phone
*EALV: 3,1,3 The audio accessory gets control of the audio lines
... Another audio accessory demands the audio lines
*EALV: 3,1,0 The accessory is no longer allowed to use the audio lines
AT*EALR=3,1,2 The accessory demands the audio lines
*EALV: 3,1,3 The accessory gets control of the audio lines
The call is disconnected
*EALV: 3,1,0 The accessory is no longer allowed to use the audio lines
AT command Response Comment
AT*EMIR=1 Enable the music mute service
OK
AT*EMIR? Query the current settings
*EMIR: 1,0
OK
Phone responds with the current settings
(Note: The last parameter indicates that the music mute
is inactive)
A call is established
*EMIV: 1 Accessory mutes the car stereo
The call is disconnected
*EMIV: 0 Accessory deactivates the mute of the car stereo
AT command Response Comment