Operation Manual

1/29/2008 VoIP Phone Administration Guide
MAG-07010 Rev. C
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3.7 NAT Trans
In NAT Trans, you can setup the STUN
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. These functions can help your VoIP Phone work properly behind a NAT
device.
STUN Setting: you can setup the STUN Enable/Disable and STUN Server IP address in this page. This function
can help your VoIP Phone working properly behind NAT. To change these settings please following your ISP
information. When you have finished the settings, click Submit. Go to the Save Change page and click Save to
reflect the changes.
3.8 Others
In Others, you can setup MAC Clone Setting, Tones Settings and Advanced Settings.
3.8.1 MAC Clone Setting
When connecting to ISP via PPPoE, the MAC Clone function can copy the PC’s MAC address to IP.
Method: you can manually entered a MAC address or let the IP phone automatically detect the PC’s MAC.
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STUN (Simple Traversal of UDP (User Datagram Protocol) through NATs (Network Address Translators) is a
network protocol allowing a client behind a NAT (or multiple NATs) to find out its public address, the type of NAT it is
behind and the internet side port associated by the NAT with a particular local port. This information is used to set up UDP
communication between two hosts that are both behind NAT routers. The protocol is defined in RFC 3489.