AudioCodes 405HD, Administrator'S Manual, Page: 107 / 242

Administrator's Manual 5. Configuring VoIP Settings
Version 3.4.3 107 400HD Series IP Phones
5.8.10 Configuring Busy Lamp Field
The Busy Lamp Field (BLF) feature can be configured.
Note:
Applies to the 430HD, 440HD, 445HD, 450HD, C450HD phones and HRS.

To configure BLF:
• Use the table as reference.
Table 5-41: BLF Parameters
Parameter Description
voip/services/busy_lamp_field/enabled Enables the BLF feature:

0 Disable

1 Enable (default)
voip/services/busy_lamp_field/subscription_
period
The interval between BLF and SIP SUBSCRIBE
messages. Range: 0 to 86400. Default: 3600.
voip/services/busy_lamp_field/uri Only displayed if 'Type' is set to BSFT . The user
resource list. This must be the username (not the
domain name). For example, if the URI resource
list is mylist@server.com , then only the value
mylist must be entered. The valid value is up to 64
characters.
voip/services/busy_lamp_field/application_s
erver/use_registrar
Only displayed if 'Type' is set to BSFT . Determines
whether to use the registrar as the application
server address. When enabled, there is no need to
configure the application server address or domain
name separately.

0 Disable (default)

1 Enable
voip/services/busy_lamp_field/application_s
erver/addr
Only displayed if 'Type' is set to BSFT and the
'
voip/services/busy_lamp_field/application_server/use_registrar'
parameter is set to 0 .. Defines the IP address or
host name of the application server. The valid
value is up to 64 characters. Default: 0.0.0.0
BLF Call Pickup
voip/services/call_pickup/access_code
See Section 5.8.8 .
voip/services/call_pickup/enabled See Section 5.8.8 .