Aastra 480i Administrator's Manual page 152

IP Phone Administrator Guide
Operational Features
The following table shows the number of lines that can be set to BLA for each
model phone.
Configuring BLA
You can configure BLA on a global or per-line basis using the configuration files
or the Aastra Web UI.
Global BLA
You configure BLA on a global basis in the configuration files using the following
parameters:
sip mode
sip user name
sip bla number
You configure BLA on a global basis in the Aastra Web UI using the following
fields at Advanced Settings->Global SIP->Basic SIP Settings:
• Line Mode
• Phone Number
• BLA Number
5-40
DFW Phone 972-992-4600
Possible # of BLA
IP Phone Model
480i
480i CT
9133i
Lines
9
9
9
41-001129-00 Rev 09, Release 1.4.1