http://www.DBL.com FXS+FXO Gateway Series
45
3.3.3.4.2. SIP Signaling NAT Traversal
SIP Signaling NAT Traversal has 3 kinds:
A) None
Select
None
to disable this feature.
B) STUN
（
RFC 3489
）
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.
Select STUN (RFC 3489) to use a STUN server for Signaling NAT Traversal. Enter the IP
Address or the domain name of the STUN server to be used.
C) Relay Proxy
Relay proxy
is a proprietary NAT traversal technology. Please consult your service
provider for more information. It includes relay proxy server address, port, username, and
password.
Relay proxy makes encryption on the Gateway’s communication, this function need the
support of DBL. technology.
Currently, the following 3 kinds of packaging mechanism are supported.
Summary of Contents for HTM series
Page 7: ...http www DBL com FXS FXO Gateway Series 45 2 Connection 2 1 Interface Description ...
Page 13: ...http www DBL com FXS FXO Gateway Series 45 State of HTM 112 State of HTM 222 ...
Page 27: ...http www DBL com FXS FXO Gateway Series 45 HTM 112 HTM 222 ...
Page 31: ...http www DBL com FXS FXO Gateway Series 45 HTM 222 HTM 442 ...
