UTT-901 User Manual
20
STUN can support SIP terminal's penetration to NAT
in the inner-net. In this way, as long as there is
conventional SIP proxy and a STUN server placed in
the public net, it will do; but STUN only supports
three NAT modes: FULL CONE, restricted, port
restricted.
2) Public backup server configuration:
the specific configuration parameter has the same meaning with public
server. It should be noted that the username and password should be the
same with the public main server;
3) Private server configuration.
specific configuration parameter has the same meaning with public
server;
4) Others
Private Domain
Configure SIP Domian of SIP private server
Private Number
The port number of private server. When no special
requirement, it is the same with user name of the
server.
Private
User Configurate User Agent of private server, the default