BMG7011 and BMG7012 User’s Guide Rev. 1.9
3.12.11STUN
This screen allows user to set NAT address, STUN server address, STUN server port, local port, and expiry time. Save
and Reboot.
| Figure 38 – VoIP STUN Configuration Window |
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Item | Description |
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NAT Address | Statically specifies the IP address of the BMG for VoIP if it is installed behind a NAT. The IP address is |
| the WAN side IP address from the NAT device. Do not set an IP address when STUN is used. STUN will |
| automatically update this address. |
STUN Server Address | Specifies the IP address of STUN server (Simple Traversal of User Datagram) |
STUN Server Port | Specifies the port number of STUN server |
Local Port | Specifies the local port number of STUN client |
Expires | “Expires” specifies the period (in seconds) that the VoIP Gateway sends STUN message to STUN server. |
| This is to help check the connection status in case the VoIP Gateway is accidentally disconnected from |
| STUN server. |
| User can dynamically set the IP address for VoIP using STUN. Please set the NAT address to 0 |
| if STUN method is used. Vice versa, if NAT address is used, set the STUN Server Address to 0. |
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