Yealink VC400, Руководство администратора

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Configuring Network
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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 VC400/VC120 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 system are described below:
Parameter Description Configuration Method
Active
Enables or disables the STUN
(Simple Traversal of UDP over NATs)
feature on the system.
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 IP call separately.

Disabled

STUN

StaticNat
Default:
Disabled
Remote Control
Web User Interface