98 | Section 5
Calls are routed from Asterisk to the VX via SIP/VoIP over the LAN. The Asterisk is configured
to provide a SIP extension for each line that connects to the VX. (SIP trunks could have been
used, but extensions are more capable - for example, they can pass Caller ID.
The Asterisk PC is equipped with three Ethernet ports. One is connected to the LAN and nor-
mally used for all input and output. Another is directly connected to the networks that deliver
VoIP calls as a backup. pfsense, a software router, is installed on the machine to perform the
routing to select the active VoIP path and provide the automatic backup.
The VX Producer application is used for call screening and communication between the
producer and air talent.
Two Cisco 2960G Ethernet switches provide the networking. One is on the Livewire (LAN) side
of the VX and the other is on the VoIP (WAN) side.
To Next Page
Loading...