7.
VigorIPPBX 2820 also needs to be registered to VigorIPPBX 3510 with extension
number 201. The method of registration is the same as used in VigorIPBPX 3510.
However, the registration must be done with the web configuration interface of
VigorIPPBX 2820.
The Way of Operation
After finished the above configuration, there are three ways to make a phone call between
VigorIPPBX 3510 and VigorIPPBX 2820. Take the extension (202) of VigorIPPBX 3510
calling the extension (102) of VigorIPPBX 2820 as an example:
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VigorIPPBX 2820 Series User's Guide