PLANET VIP-251T - Manual (Page 37)

General Settings
Items Descriptions
NAT Traversal If or not enable STUN.
NAT Server IP STUN Server IP
NAT Server Port STUN Server Por
NAT Refresh Interval
(Second)
Set interval to send message to STUN server in order to keep link
status.
Auto Answer
If or not enable auto answer, if this is enabled, IP Phone will answer
any coming call automatically.
You should set “STUN” in the “NAT Traversal Mode” text if IP Phone usesSTUN Server traverse
NAT/Firewall.
Advanced Settings_QoS Settings
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