Specifications

Administrator's Manual A. Server-Specific Configuration
3. In the BLF Support group, do the following:
a. From the ‘Activate’ drop-down list (voip/services/busy_lamp_field/enabled
parameter), select Enable.
b. In the ‘BLF Subscription Period’ field
(voip/services/busy_lamp_field/subscription_period parameter), enter the interval
between BLF and SIP SUBSCRIBE messages.
c. In the ‘User Resource List’ field (voip/services/busy_lamp_field/uri parameter),
enter the resource list URI to which the phone can subscribe to in order to get the
BLF information from the application server.
d. Define the Application Server Address:
♦ Same address as SIP Registrar: From the ‘Use Registrar as Application
Server Address’
(voip/services/busy_lamp_field/application_server/use_registrar parameter)
drop-down list, select Enable. The Registrar’s address is used as the
application server’s address, defined by the parameter
voip/signalling/sip/sip_registrar/addr (refer to Section 17.2 on page 93).
♦ Unique address: From the ‘Use Registrar as Application Server Address’
drop-down list, select "Disable", and then in the "Application Server Address
or Domain Name" field
(voip/services/busy_lamp_field/application_server/addr parameter), enter the
IP address or domain name of the application server.
4. Click Submit.
5. Define speed dial keys with the BLF feature (see Section 26 on page 175).
Version 2.0.0 269 October 2012