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Chapter 4 an Application Case of IP08
Figure: Network Topology
In the network topology above: user 6020 and user 6001 will be registered to IP08, user 6030 will
be registered to IP04, analog phone 6005 is connected to FXS port of IP08. After configuration, it
will realize the following function:
1)
The internal user 6005 and user 6001 can call each other directly.
2)
6005 and 6001 can dial-out through IP08 to PSTN.
3)
6005 and 6001 can get incoming calls from PSTN by IP08.
4)
6030 can call-out to PSTN and get incoming call from PSTN through IP04.
5)
User 6001 and 6030 can call each other through VoIP trunk, although they are registered to
different IP PBX.
6)
User 6020, 6005 and 6001 can call each other directly, although they are not in the same
network segment.