... -10 Guest Service Button programmable. -Handsfree telephone -Auto released line -CE,RHOS ORBITA telephone for hotel telephone system -provide logo printing Main features ... through 9 groups one-key-dialing,such as reception, business center, guest-room service, laundry room, and so on. It ... .6) Auto hangup When finished the call, and the caller already hung up, or this telephone didn't hung up,the PBX ...