Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
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Account->Advanced->BLA Number
Phone User Interface:
None
account.X.bla_subscribe_period
Description:
Configures the period (in seconds) of the BLA subscription for account X.
X ranges from 1 to 16 (for SIP-T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2)
Note: It works only if the value of the parameter “account.X.shared_line” is set to 3 (Draft
BLA).
Web User Interface:
Account->Advanced->BLA Subscription Period
Phone User Interface:
None
To configure the BLA feature via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
3. Select Draft BLA from the pull-down list of Shared Line.
4. Enter the desired value in the BLA Number field.