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The establishment through DSL Internet.
Flexible second WAN for back-up.
IP-based telephones are connected to LAN ports and set with ext. no. 101, 102 & 103.
The IP-based telephones (101, 102, and 103) and remote IP-based phone are registered
on the VigorIPPBX 2820.
The IP-based phone with ext. no. 201 is at remote site.
The VigorIPPBX 2820 seamlessly integrate with ITSP services (allow you to register at
a SIP server).
The remote IP-based phone with ext. 301 is registered at a SIP server.
The two ISDN lines are connected to two TE-interfaces of the VigorIPPBX 2820.
VigorIPPBX 2820 Series User's Guide
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