VIP-150W User’s Guide
-13-
4.10
SIP Setting – Others
There are many parameter could be adjusted to fit different kind of server. This function is reserve for
technician who is familiar with SIP protocol.
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 characteristics, such as streaming audio and video.
Prack
Prack ensures that media information is exchanged and that network checks
before connecting the call. 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 the UDP or TCP for the SIP protocol