Yealink VC110 - Page 92

Administrator‘s Guide for Yealink VC110 Video Conferencing Endpoint
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port used, and then informs the client. For more information, refer to RFC3489.
Capturing packets after you enable the STUN feature, you can find that the VC110 video
conferencing endpoint sends Binding Request to the STUN server, and then mapped IP
address and port is placed in the Binding Response: Binding Success Response
MAPPED-ADDRESS: 59.61.92.59:19232.
STUN feature parameters on the endpoint are described below:
Parameter
Description
Configuration Method
Active
Enables or disables the STUN
(Simple Traversal of UDP over
NATs) feature on the endpoint.
Default: Disabled
Remote Control
Web User Interface
STUN Server
Configures the IP address or the
domain name of the STUN
(Simple Traversal of UDP over
NATs) server.
Default: Blank
Remote Control
Web User Interface
STUN Port
Configures the port of the STUN
(Simple Traversal of UDP over
NATs) server.
Default: 3478
Remote Control
Web User Interface
NAT_Traversal
Configures the NAT traversal
type. You can configure it for the
SIP account or SIP direct account
separately.
 Disabled
 STUN
Web User Interface