Patton electronic 1052 - Manual (Page 52)

Engineering Orderwire (EOW) 52
OnSite Series Getting Started Guide 4 • System Management Access
At this point, the called station begins to ring if another telephone set is connected to the EOW port of that
station.
Note To call and communicate with all EOW stations at once (party-line
function), dial *000.
To complete the call, simply place the telephone set in the on-hook position, like a regular analog phone.