PLANET VIP-350PT User Manual

Page 104

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Session Timer

Set the session refresh time, measured in seconds, as per RFC4028. Default is 1800 seconds.
The minimum interval is 90 seconds. On timer expiration, it will refresh the session either by
re-INVITE or UPDATE the session.

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Keep Alive Timer

The interval to send empty UDP packets to SIP registrar server to keep NAT port mapping open
after finishing registration. Set to 0 or a value smaller than Register Expire time effectively disable
this feature. This option sets only the frequency to send dummy UDP packets to registrar server to
keep SIP signaling channel through NAT; to turn on this feature for each service realm, go to “7.
SIP Settings
” / “Service Domain” / “n-th Realm” / “Keep Alive”.


[Del]

Delete one character.

[Back]

Return without any changes.

OK

Save changes and return

and move cursor one position in edit mode.


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