D-Link DPH-140S Product Manual - Page 23

Session Timer, Media Port, Prack, Session Refresher, Session Timer Method, UDP/TCP

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Page 23 highlights

7.9 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 endto-end transfer of data with real-time audio. 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 SIP signal transmission method. Default method is UDP. 20

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20
7.9
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
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 SIP signal transmission method. Default method is
UDP.