User's Manual

. To answer any call except from Emergency 911, the user must go off-hook.
MLPP
tones
Unique tones are played when MLPP is enabled.
Precedence Ringback Tone:
A precedence ringback tone is played when the calling party makes a precedence call. This
tone is only played after the call has been confirmed by the server.
Precedence alerting tone:
A precedence alerting tone is played to alert the called party that a precedence call is arriving.
This tone is delivered through the speaker. The precedence alerting tone is played if there is
no active call or a if call is on hold.
Precedence Call Waiting tone:
When a call with a precedence level higher than Routine is received, and the user is busy with
another call, the precedence Call Waiting tone is played instead of the normal Call Waiting
tone. This tone is delivered through the Handsfree speaker.
Preemption tone:
When a call is preempted, the preemption tone is played. This tone is delivered through the
Handsfree speaker.
Feature interactions
The following table describes IP Deskphone feature interaction with MLPP.
Feature Interaction with MLPP
Call Park Not available when MLPP is enabled.
Call Forward Call Forward is the responsibility of the Call Server. Call
forwarding is disabled locally on the IP
Deskphone if
DoD_Enable is turned on in the device configuration
file.
Call Transfer — Direct Available, but precedence of the call is maintained.
Call Transfer — Consultative Available. A consultation call can have its own
precedence level. The transferred call uses the greater
precedence level of the initial call and the consultative
call.
Conference call (Ad-hoc
conference)
Available. The precedence level of the conference is the
highest precedence level of all the joined calls.
Call Waiting Disabled Not available when MLPP is enabled.
Dialing plan Available with MLPP, with support for World Wide
Numbering available through the Call Server.
Features
196 SIP Software for Avaya 1100 Series IP Deskphones-Administration November 2012
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