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Advanced Operational Features
41-001160-01, Rev 00, Releaes 2.3 6-21
Configuring Advanced Operational Features
4 Click on Advanced Settings->Global SIP->Advanced SIP Settings.
5 In the “Advanced SIP Settings” section, in the “As-Feature-Event Subscription Period” field, enter
the amount of time, in seconds, that the phone waits after sending a SUBSCRIBE, to receive a
NOTIFY response from the server side.
Default is 3600. Valid values are
6 Click to save your changes.
Aastra Web UI
As-Feature-Event
Subscription
Period