Operational IP Phone Features

Operational Features

Per-Line BLA

You configure BLA on a per-line basis in the configuration files using the following parameters:

sip lineN mode sip lineN username sip lineN bla number

You configure BLA on a per-line basis in the Aastra Web UI using the following fields at Advanced Settings->Line 1 thru Line 9:

Line Mode

Phone Number

BLA Number

Sylantro servers and ININ servers require specific configuration methods for per-line configurations.

For Sylantro Server

When configuring the BLA feature on a per-ine basis for a Sylantro server, the value set for the "sip lineN bla number" parameter shall be the same value set for the "sip lineN user name" parameter for all the phones in the group. For example, if sip lineN user name is 1010, you would configure BLA on a per-line basis for the Sylantro server as follows:

sip line 1 mode: 3

sip line1 user name: 1010 (# for all the phones)

sip line1 bla number: 1010

Operational IP Phone Features

41-001160-00, Rev 01 Release 2.0

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Aastra Telecom 57I C53I manual Per-Line BLA, For Sylantro Server