Procedure
Step 1 Select 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 Busy Lamp Field with Other Features
You can configure busy lamp field to work with other features on your key expansion module, such as speed
dial, and call pickup. Use the information in the following table as a guide when selecting the correct string
format.
Before you begin
Access the phone administration web page. See Access the Phone Web Page, on page 88.
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
194
Cisco IP Phone Administration
Configure Busy Lamp Field with Other Features
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