User`s guide
Polycom VVX Expansion Module Administrator’s Guide Addendum  UC Software 4.1.6 
Polycom, Inc.  26 
To specify BLF resources in the configuration file, open the features.cfg template file and enter the 
address (phone number) of the BLF resource you want to monitor, the label to display beside the line key 
on the phone, and the type of resource you are monitoring. Your call server must support static BLF in 
order to configure BLF using the static method. In the following example, the phone is monitoring Craig 
Blunt and Lucy Patterson. 
Both configuration methods result in the following BLF contacts, called BLF resources, that display on the 
phone and beside line keys on the expansion module. 
The following table illustrates the BLF key icons. 
BLF Line Key Icons 
States 
Line Icons 
Line monitoring is active 










