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