NAT Traversal (Network Address Translator Traversal) is a computer networking technique of establishing and maintaining Internet protocol connections across gateways that implement network address translation (NAT). NAT breaks the principle of end-to-end connectivity originally envisioned in the design of the Internet.

Parameter DBID_SIP_TRUNK_EXTERNHOST
Description Upper ATA’s domain name which use to do NAT
Permitted Values IP address
Default Blank
Web UI FXO > SIP Setting > SIP Parameters > Extern Host
Parameter DBID_SIP_TRUNK_EXTERNIP
Description Upper ATA’s IP which use to do NAT
Permitted Values IP address
Default Blank
Web UI FXO > SIP Setting > SIP Parameters > Extern IP
Parameter DBID_SIP_TRUNK_EXTERNREFRESH
Description NAT setting refresh time
Permitted Values Integer
Default Blank
Web UI FXO > SIP Setting > SIP Parameters > Extern Refresh
Parameter DBID_SIP_TRUNK_LOCALNET
Description Device’s IP net
Permitted Values String
Default Blank
Web UI FXO > SIP Setting > SIP Parameters > Localnet
Parameter DBID_SIP_TRUNK_NAT_MODE
Description It enables or disables NAT traversal.
Permitted Values yes
no
Default yes
Web UI FXO > SIP Setting > SIP Parameters > NAT Mode
Author：admin  Create time：2023-11-30 14:33
Last editor：admin  Update time：2024-01-03 16:20