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6.11 SIP Setting Others
This section is for network administrators.
Session Timer
The time interval in which the phone periodically refresh SIP sessions
by sending repeated INVITE requests. These INVITE requests allow
the user agent or proxies to determine the status of the SIP session.
Media Port
Real-time Transport Protocol port number. Provides end-to-end
transfer of data with real-time audio.
Prack
A SIP method which is applied to the condition of acknowledging to
the provisional responses like 180 Ringing. Select Enable for a more
reliable connection.
Session Refresher
Select None to disable SIP session timer support.
Select UAC to initiate SIP request.
Select UAS to receive SIP request and then return a response.
Session Timer Method
Select SIP request method. Default method is Invite.
UDP/TCP
Select SIP signal transmission method. Default method is UDP.
Register with Proxy
When Set messages via Outbound Proxy is enabled, all the SIP
requests including Register will be sent through Outbound Proxy.
Enable the option will against the rule and send SIP Register directly
to the Registrar as described in section 6.8.