basic form:
send a single line station port from site a to site b via VOIP. Send s/l port from site b to a.
At the far end they plug into the ksu co port.
To use. At site B pick up the co line from site A, get dial tone from site A, dial page code and page or dial ext number, or dial outside line code to make local call at site A. Incoming caller at site B need to transfer to site A, transfer to the ext fed to site A.
Multi tech VOIP units also have E&M circuits
built in w/fxs-fxo. Check out Multi Tech VPN Route Finder routers.
