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Operational Features
5-40 41-001129-00 Rev 09, Release 1.4.1
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
IP Phone Model
Possible # of BLA
Lines
480i 9
480i CT 9
9133i 9