Yealink SIP-T2 SERIES Administrator's Manual page 763

To configure the type of keep-alive packets and keep-alive interval via web user interface:
Click on Account->Advanced.
1.
Select the desired account from the pull-down list of Account.
2.
Select the desired value from the pull-down list of Keep Alive Type.
3.
Enter the keep-alive interval in the Keep Alive Interval(Seconds) field.
4.
Click Confirm to accept the change.
5.
Rport
Rport in RFC 3581, allows a client to request that the server sends the response back to the
source port from which the request came. Rport feature depends on support from a SIP server.
Procedure
Rport feature can be configured using the configuration files or locally.
Configuration File
Local
<MAC>.cfg
Web User Interface
Configuring Advanced Features
Configure NAT Rport feature for
account X.
Parameter:
account.X.nat.rport
Configure NAT Rport feature for
account X.
Navigate to:
For
SIP-T48G/T46G/T42G/T41P/T40P/T29
G/T27P/T23P/T23G/T21(P) E2/T19(P)
E2/CP860:
http://<phoneIPAddress>/servlet?p=a
ccount-adv&q=load&acc=0
For SIP VP-T49G:
http://<phoneIPAddress>/servlet?m=
mod_data&p=account-adv&q=load&
acc=0
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