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New Features in Release 2.3
60 RN-001029-02, Release 2.3, Rev 00
IP Phone Release Notes 2.3
Configuring SIP BLA Expirey Timer Using the Aastra Web UI
Use the following procedure to configure the SIP BLA Subscription Period using the Aastra
Web UI.
Aastra Web UI
1 Click on Advanced Settings->Global SIP->Advanced SIP Settings.
2 In the “BLA Subscription Period” field, enter a value, in seconds, that the phone waits to receive a BLA subscribe
message from the server. If you specify zero (0), the phone uses the value specified for the BLA expiration in the
subscribe message received from the server. If no value is specified, the phone uses the default value of 300
seconds. Valid values are 0 to 3700. Default is 300 seconds.
3 Click to save your changes.