Airoha AB1561 - Calling

AB1561 Headset Reference Design
User Guide
© 2020 Airoha Technology Corp.
Page 7 of 14
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This section shows the MMI functionality related to calling. These functions include how to accept/end/reject/hold
a call, cancel an outgoing call, redial the most recently dialed phone number, transfer the sound to a connected
device or to the Airoha product, and manage a three-way call.
2.3.1. Accept call
The user can accept an incoming call.
Table 12. Accept call
Functionality Actions Results Requirements
Accept call
Tap key1 (Regen)
One median beep
An incoming call is
active
Note: When the call is successfully accepted, LED1 periodically flashes for two seconds.
2.3.2. End call
The users can end an active call.
Table 13. End call
Functionality Actions Results Requirements
End call
Tap key1 (Regen)
One median beep, four
falling beeps, and the voice
prompt says “Call ended”
A call is active
2.3.3. Last number redial
The user can redial the most recently dialed number.
Table 14. Last number redial
Functionality Actions Results Requirements
Last number
redial
Double-tap key1 (Regen)
One long beep and a voice
prompt says “Redialing”
In connected states
2.3.4. Cancel outgoing call
The user can cancel an outgoing call.
Table 15. Cancel outgoing call
Functionality Actions Results Requirements
Cancel outgoing
call
Tap key1 (Regen)
One long beep and a voice
prompt says “Call cancelled”
An outgoing call is
active
2.3.5. Reject call
The user can reject an incoming call.
Table 16. Reject call