8820IP Phone User Manual_ SIP (V1.44)
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set sipproxy XXXX
Set IP address or domain name of SIP Proxy Server.
set domain/realm XXXXX
Set the domain name of SIP proxy server.
set nattraversal X
X ranged from 0 through 2: 0: do not use NAT traversal. When the
log in server and IP phone in the same LAN, or the log in system
supports the IP phone working behind the LAN; 1: Use NAT
traversal. When the login system does not support IP phone
working behind the LAN, With this item selected, please make port
mapping on NAT device; 2: stun.
set nataddr XXXXX
When
“
nattraversal
” is set to “
1
”;set IP address of NAT device wan
port or URI of free assistant service (Such as
www.showmyip.com
etc.) in Internet.
When
“
nattraversal
” is set to “
2
”, set IP address or URI of the stun
server, in the format as “domain name/IP address : service port”.
The default service port for stun is 3478.
NOTE
The free service list of Internet
:
www.ip-calculator.com; www.ipchicken.com;
www.ipchicken.com;www.showmyip.com;www.whatismyip.com;
www.myipaddress.com; www.whatismyipaddress.com; ip.sbbs.net;