PLANET IPX-1980 - Manual (Page 74)

7.2 How to combine two IPX-1980 IP PBX in the same network
We start combining two IP PBX in the same network and then try to expand to different
network.
Below is the structure of how to combine two IP PBX in the same LAN:
Register the IPX-1980-A as a peer in IPX-1980-B (via IAX2 trunk), so the extensions in
IPX-1980-A can make calls to IPX-1980-B’s extensions via this “special” trunk.
In above structure:
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