Chapter 4: Configuring your VOIP
NAT Traversal
Setting the NAT Traversal parameters. NAT (Network Address Translation) parameters are applicable only when the MultiVOIP is operating in SIP mode. STUN (Simple Traversal of UDP through NATs (Network Address Translation)) is a protocol for assisting devices behind a NAT firewall or router with their packet routing. This is not available on the
Figure 4-23: NAT Traversal
Descriptions for NAT Traversal screen fields are presented in the table below.
|
|
Field Name | Values |
Enable (STUN) | Y/N |
|
|
Name/IP (Server) | n.n.n.n |
|
|
Port (Server; | port; |
NAT/STUN) | default= |
| 3478 |
Keep Alive (Timers; | 60 – 3600 |
NAT/STUN) | (seconds) |
|
|
NAT Traversal Definitions
Description
Enables STUN client functionality in the MultiVOIP.
STUN (Simple Traversal of UDP through NATs (Network Address Translation)) is a protocol that allows a server to assist client gateways behind a NAT firewall or router with their packet routing.
IP address of the STUN server.
The data port (TDM time slot) at which STUN info will be transmitted and received.
The interval at which the STUN client sends indicator (“Keep Alive”) packets to the STUN server to determine whether or not the STUN server is available.
71 |
