kaimen use kaimen’s system
mediaring: use mediaring’s system
italkbb: use italkbb’s system
stanaphone: use stanaphone’s system
net2phone: use net2phone’s system
fwd: use fwd(freeworlddialup) system
ipphonex: use ipphonex’s system
sipphone: use siphone’s system
ngtel: use ngtel’s system
ayctel: use AycTe’s system
SIP proxy: when user service write SIP Proxy Server URI.
Domain/realm : set SIP serve address domain
nat traversal: When the IP GATEWAY with private IP address need communicate with other IP GATEWAYs in a different LAN or on Internet, please select an item from dropdown list to set the proxy used by the GATEWAY.
disable: Select this item when the log in server and IP GATEWAY in the same LAN, or the log in system supports the IP GATEWAY working behind the LAN.
enable: When the system does not support IP GATEWAY working behind the LAN, please select this item to search public IP address of the NAT device. With this item selected, “nat addr” field will be activated. Besides, port mapping (port forwarding) needs to be properly set up on NAT device.
Stun: When Stun used for appendix for cross NAT , choose STUN. nat add will be activated.
nat addr: When “nat traversal” is set to “enable”, please put the domain name of the servers ( These web server helps to find out the public IP of the IP GATEWAY) into “nat addr”, such as www.whatismyip.com.
nat ttl: When IP GATEWAY sit behind a NAT device, it will send packets to server
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