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domain/realm : : Set the domain name of the SIP proxy server .
domain/realm
nat traversal:
nat traversal:
communicate with other IP phones i
please select an item from dropdown list.
n
disable: Select this item when the sip proxy server and
disable:
in the same LAN, or
working behind the LAN.
n
enable: When the system does
enable:
the LAN, please select this item to search public IP address of
the NAT device. With this item selected,
be activated. Besides, port mapping (port forwarding) needs to
be properly set up on NAT dev
n
stun: Select
stun:
requirement of system. With this item selected,
is activated.
nat addr:
nat addr:
W hen " nat traversal
the domain name of the servers ( These web server help
the public IP of the NAT device) into
www.whatismyip.com. .
www.whatismyip.com
When the IP phone with private IP address need
the sip proxy system supports the IP phone
not support IP phone working behind
this
item
with
nat traversal
" is set to
n a different LAN or on Internet,
" nat addr
nat addr
ice.
Stun
server
" enable
enable " , please put
" nat addr
nat addr " , such as
IP phone
"
field will
used
according
nat addr field
nat addr
s to find out
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