Avaya 1140E IP - Manual (Page 379)

Multi-Level Precedence and Preemption
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Conference call (Ad-
hoc conference) Available. The precedence level of the
conference is the greatest of all the joined calls.
Call Waiting
Disabled Not available when MLPP is enabled.
Multiuser When MLPP is enabled, only one user can be
logged on to the IP Deskphone.
If an MLPP user is logged on to the IP
Deskphone, other user logons are blocked.
If a non-MLPP user is logged on and a MLPP
user attempts to log on, then when the IP
Deskphone detects the new user is an MLPP
user, the MLPP user is automatically logged
off. The MLPP user cannot log on until the
other user is logged off.
Speakerphone Available only for 911 calls when the
Speakerphone Exclusive to 911 Emergency
feature is enabled.
Table 22: Feature interactions with MLPP