Video Door Entry (IPD/300 LR)
Integra IPD/300LR porter switchboard
Among many other functions it displays OSD messages, intercepts general, block and individual calls, transfers intercepted calls, transfers name files to another switchboard, stores up to 50 calls, self-connects to entry panel, provides intercom between all telephones and incorporates door lock release and stair light
It also features all the same controls as the IMT/200
