AT Commands Phone Terminal Terminated
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4.5.2 Unsolicited Result Codes
*EALV
Audio Line Response
*EMIV
Music Mute Indication response
4.5.3 Use scenarios
Handle Access to the Audio Lines
This scenario shows an example of how the access to the audio lines can be handled.
It includes:
• Request to access the audio lines
• Current settings query
• Unsolicited responses to the change of access to audio lines
• Audio line demand
Description:
This unsolicited result code is sent to the accessory when the phone wants that
accessory to change audio state. This response is enabled by using
Unsolicited result code:AT*EALV
: <mode>,<activation>,<resp>
Parameters:
<mode>:
.
<activation>:
See
.
<resp>:
<resp>
Description
0
Disable ATMS and AFMS
1
Enable ATMS and disable AFMS
2
Disable ATMS and enable AFMS
3
Enable ATMS and AFMS
Description:
This music mute indication is sent out from the phone every time a parameter change
occurs. The response is enabled by using
.
Unsolicited result code:AT*EMIV
: <resp>
Parameter:
<resp>:
<resp>
Description
0
Music Mute inactive
1
Music Mute active
AT command
Response
Comment
AT*EALR=3,1
Audio accessory requests ATMS and AFMS and indicates
that the accessory wants to be activated directly if a call is
established by the phone
OK