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Multi-Level Precedence and Preemption
374
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.
Table 21: When a preemption call is received from an
external source
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. See Figure 86, "Preemption
acknowledgement screen", on page 373.
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. 3.When preemption is acknowledged (or
after 3 seconds), the preemption tone
stops.
An incoming call is
ringing 1. The incoming call is removed.