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1080p SIP Vandalproof Door Phone with RFID and PoE
HDP-1261PT
5.19 Line >> Basic Settings
A STUN (Simple Traversal of UDP through NAT) server allows a phone in a private network to know its public
IP and port as well as the type of NAT being used. The equipment can then use this information to register
itself to a SIP server so that it can make and receive calls while in a private network.
Figure 5-19-1 STUN Setting Page Screenshot
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