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Multi-Level Precedence and Preemption
372
While a call is on hold
1. Preemption tone is played through the
Handsfree speaker for three seconds.
2. The preempting call presents with the
appropriate ringing.
3. The new preemption precedence call
screen is displayed.
An incoming call is
ringing 1. The preempting call presents with the
appropriate ringing.
2. The new preemption precedence call
screen is displayed.
An outgoing call is
ringing 1. The preemption tone plays continuously
in the Handsfree speaker for few
seconds.
2. The outgoing call is removed.
3. The preemption acknowledgment screen
is displayed. See Figure 86, "Preemption
acknowledgement screen", on page 373.
4. 4.When the preemption is
acknowledged, or after three seconds
elapse:
a. Preemption tone stops.
b. The new preemption precedence
call screen is displayed.
c. The preempting call presents with
the appropriate ringing.
Table 20: When a preemption call is received
Call state Preemption behavior