Planet Internet Telephony PBX System IPX-1900 User Manual page 18

Register TimeOut
Register Attempts
NAT Support
The externip, externhost and localnet settings are used if you use IP PBX behind a NAT device to
communicate with services on the outside.
Extern IP
Extern Host
Extern Refresh
Local Network
Address
Retry registration calls at every 'x' seconds (default 20).
Number of registration attempts before we give up; 0 =
continue forever.
Table 3-2. Outbound DIP registration description
Figure 3-4. NAT support settings
Address that we're going to put in outbound SIP messages if we're
behind a NAT.
Alternatively you can specify an external host, and IP PBX will perform
DNS queries periodically.
environments! Use externip instead.
How often to refresh externhost if used. You may specify a local network
in the field below.
localnet=192.168.0.0/255.255.0.0; All RFC 1918 addresses are local
networks
localnet=11.0.0.0/255.0.0.0
localnet=171.16.0.0/12
localnet=168.254.0.0/255.255.0.0; Zero conf local network
Table 3-3. NAT support description
Not recommended
; Also RFC1918
; Another RFC1918 with CIDR notation
for production
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