User Guide

Call state Preemption behavior
b. The new preemption precedence call screen is
displayed.
c. The preempting call presents with the
appropriate ringing.
External preemption
The IP Deskphone supports preemption from external sources.
The following table describes the IP Deskphone behaviors that occur when receiving a call
from an external source with higher precedence than the presented current calls and no call
appearances are available.
Call state Preemption behavior
While on an active call/music on hold
1. Preemption tone is played through the
handsfree speaker.
2. The active call is removed.
3. The preemption acknowledgment screen is
displayed.
4. When the preemption call is acknowledged by
pressing OK or after 5 minutes, the preemption
tone is ended and the new preemption
precedence call is displayed.
While a call is on hold (remote or
local)
1. Preemption tone is played through the
handsfree speaker.
2. The new preemption precedence call screen is
displayed.
3. When preemption is acknowledged (or after 3
seconds), the preemption tone stops.
An incoming call is ringing The incoming call is removed.
An outgoing call is ringing
1. The preemption tone plays continuously in the
Handsfree speaker for few seconds.
2. The preemption acknowledgment screen is
displayed.
3. When the preemption is acknowledged or after
three seconds elapse, the preemption tone
stops.
Advanced features
188 Avaya 1120E IP Deskphone with SIP Software on Avaya Aura
®
User Guide November 2013
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