Configure the Busy Lamp Field for a Single Phone with the Configuration Utility
You can configure busy lamp field on a phone line when a user needs to monitor a coworker's availability to
handle calls.
You can configure the busy lamp field to work with any combination of speed dial or call pickup. For example,
busy lamp field alone, busy lamp field and speed dial, busy lamp field and call pickup, or busy lamp field,
speed dial, and call pickup can all be configured to work together. But speed dial alone requires a different
configuration.
Procedure
Step 1
On the Configuration Utility page, select
Admin Login
>
advanced
>
Voice
>
Phone
.
Step 2
Select a line key on which to configure a busy lamp field.
Step 3
Select
Disabled
to disable the extension.
Step 4
In the
Extended Function
field, enter a string in this format:
fnc=blf;sub=xxxx@$PROXY;usr=yyyy@$PROXY
fnc=blf;sub=xxxx@$PROXY;ext=yyyy@$PROXY
Where:
•
fnc= blf means function=busy lamp field
•
sub= the URI to which the SUBSCRIBE message should be sent. For a BroadSoft server, this name
must be identical to the name defined in the List URI: sip: parameter. xxxx is the name that is defined
in List URI: sip: parameter. Replace xxxx with the exact defined name. $PROXY is the server. Replace
$PROXY with the server address or name.
•
usr/ext= the user that the busy lamp field monitors. yyyy is user id of the phone that the busy lamp field
monitors. Replace yyyy with the exact user id of the monitored phone. $PROXY is the server. Replace
$PROXY with the server address or name.
Step 5
(Optional) You can configure the busy lamp field to work with any combination of speed dial or call pickup.
To enable the busy lamp field to work with speed dial or call pickup, enter a string in the following format in
the Extended Function field:
fnc=blf+sd+cp;sub=xxxx@$PROXY;usr=yyyy@$PROXY
.
Where:
sd= speed dial
cp= call pickup
Step 6
Click
Submit All Changes
.
Configure the Busy Lamp Field on a Key Expansion Module
You can configure the busy lamp field on a key expansion module line so that the user can monitor a coworker's
availability to receive a call.
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
167
Busy Lamp Field Configuration on a Monitoring Phone
Summary of Contents for 8851
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