
Context-sensitive soft key Action
Back Dismisses the screen and returns you to the
previous key programming screen.
If the auto retrieve behavior is enabled on a Speed Dial key (programmed keys) or Speed Dial
List entry that is invoked, and a call is placed on hold to invoke the current key or entry, the IP
Deskphone attempts to remove the call on hold after the key or entry call is complete.
The following is a description of how the auto retrieve function operates.
1. A is talking to B when A invokes the Speed Dial List and selects an entry.
2. The call between A and B is placed on hold, and A places another outgoing call to
C (a URI specified in the Speed Dial List entry).
3. When the call between A and C is complete, if the auto retrieve flag is enabled for
the Speed Dial, then the IP Deskphone attempts to take the call between A and B
off hold.
If another call comes in during the call between A and C, or if the state of the call
between A and B changes when the call between A and C is active, the re-
connection of the call between A and B may not always happen.
The following is an example of a Speed Dial List file that must be loaded through
provisioning.
mode=MidCallOnly type=spdial [key] label=S2 retrieve=NO mode=IdleOnly
Busy Lamp Field
The Busy Lamp Field (BLF) is an alternate presence monitoring mechanism for the
IP Deskphone that allows presence functionality on proxies supporting BLF. The IP Deskphone
subscribes to receive presence information for watched users through notifications. The BLF
mechanism allows the user to subscribe to the proxy and receive the presence state list for all
the users it is configured to watch. The provisioning of the proxy configures the watch lists for
users.
The proxy involved supports BLF and has a mechanism for setting the lists of watchers and
presentees. The UI is not available to a user to enable or disable this feature. If the
IP Deskphone is provisioned for this feature, it makes use of it.
If enabled, and the proxy provides notifications to the user, the IP Deskphone uses the
notifications to update any speed dial keys that receive presence information in the BLF
notifications.
Busy Lamp Field
SIP Software for Avaya 1200 Series IP Deskphones-Administration January 2012 155
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