Profile: The Entryphone Co. Ltd. manufactures door entry systems. Our products include entrance panels, access control, telephones, door releases, power supplies & relays, cables and spare accessories. Our 9200/1F-P 1 button polished brass entrance panel flush is a single button entrance panel supplied either with surface frame or back box. The PinNet4 is an access control system for apartment blocks or office buildings. Where there is no on-site administrator we offer off-line or on-line administration services. Keys can be added or deleted using a unique encrypted activation code or via the PinNet4's built in web-server.