Yealink VC400 Administrator's Manual page 105

The keep alive interval parameter on the system is described below:
Parameter
Configures the interval (in seconds) that the
system sends keep-alive packets to the NAT
device. The packet is used to keep the
communication port open, so that NAT can
continue to effect.
Keep Alive
You can configure it for the
Interval
Zoom/Pexip/BlueJeans/Mind/Custom platform
or SIP account separately.
Default: 30
Note: You cannot configure it for the
Yealink/StarLeaf Cloud platform.
To configure the keep-alive interval for Zoom/Pexip/BlueJeans/Mind/Custom platform
via web user interface:
Click on Account->Cloud.
1.
Select Zoom/Pexip/BlueJeans/Mind/Custom from the pull-down list of Platform Type.
2.
Enter the keep alive interval in the Keep Alive Interval field.
3.
Click Confirm to accept the change.
4.
To configure the keep-alive interval for SIP account via web user interface:
Click on Account->SIP Account.
1.
Description
Configuring Network
Configuration Method
Web User Interface
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