AudioCodes C450HD - Asterisk, Coral and Metaswitch; Configuring BLF; Figure A-8: BLF Configuration for Application Server Type - Asterisk

Administrator's Manual A. Configuring Phones in Server-Specific Deployments
Version 3.4.3 195 400HD Series IP Phones
A.2 Asterisk, Coral and Metaswitch
A.2.1 Configuring BLF
Configuration of the BLF feature is unique when the selected application server is Asterisk,
Coral, or Metaswitch.
Note: This section only applies to the 430HD and 440HD phones.
 To configure BLF for Asterisk application server:
1. Open the Services page (Configuration > Voice Over IP > Services).
Figure A-8: BLF Configuration for Application Server Type - Asterisk
2. From the 'Application Server Type' drop-down list, select either:
• Asterisk
• Coral -or-
• Metaswitch
3. In the BLF Support group, configure the following:
• From the 'Activate' drop-down list (voip/services/busy_lamp_field/enabled
parameter), select Enable.
• (Optional) In the 'BLF Subscription Period' field
(voip/services/busy_lamp_field/subscription_period parameter), enter the
interval between BLF and SIP SUBSCRIBE messages.
Note: The application server's address is the same as the SIP Registrar address defined
by parameter voip/signalling/sip/sip_registrar/addr (see Section 5.1.2).
4. Click Submit.
5. Define speed dial keys with the BLF feature (see Section 6.2).