
Technical Configuration MultiVOIP User Guide
186
NAT Traversal Definitions (cont’d)
Field Name Values Description
Enable
(STUN)
Y/N 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.
Name/IP
(Server)
n.n.n.n
0 - 255
IP address of the STUN server.
Port
(Server);
NAT/STUN
)
numeric;
default=
3478
The data port (TDM time slot) at
which STUN info will be transmitted
and received.
Keep Alive
(Timers;
NAT/STUN
)
60 – 3600
(in
seconds)
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.
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