VigorIPPBX 2820 Series User’s Guide
203
Enable/ Disable
Click
Enable
for activating this function. If you click
Disable
,
this function will be closed and all the settings that you
adjusted in this page will be invalid.
ISDN Dial Backup
Setup
This setting is available for the routers supporting ISDN
function only. Before utilizing the ISDN dial backup feature,
you must create a dial backup profile first. Please click
ISDN
>
Dialing to a Single ISP
to create the backup profile.
Note:
This feature is available for ISDN 2 port only.
None
- Disable the backup function.
Packet Trigger -
The backup line is not on until a packet from
a local host triggers the router to establish a connection.
Always On -
If the broadband connection is no longer
available, the backup line will be activated automatically and
always on until the broadband connection is restored. We
recommend you to enable this feature if you host a web server
for your customers’ access.
Keep WAN
Connection
Normally, this function is designed for Dynamic IP
environments because some ISPs will drop connections if there
is no traffic within certain periods of time. Check
Enable
PING to keep alive
box to activate this function.
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