... /r/I, 802.3,802.3uProtocol: 802.1d/p/q/x, CSMA/CA, CSMA/CD,TCP/IP, GMP, ... console for call monitoring and click to transferIncoming calls DID, caller ID, call rejection, do not disturb, CRBT, call waiting, forking, call forwarding, ... distinctive ringpatternsCall pickup call pickup, direct call pick-up, group call pick-upMaking call Intercom, calling ...