XBlue Networks X16 communications server Maximum system configuration 4 lines and 16 digital extensions 4 Voicemail ports with 2 hours of message storage Blue backlit LCD display Call forward to voicemail Call transfer Caller ID, call waiting caller ID CO line busy/idle status LED CO line ringing programmable 3 Way conference Daylight savings automatic with caller ID Direct station select, busy lamp field Display number dial Distinctive ringing Do not disturb Express conferencing Flash timer Hands free answer Handset/headset volume control Headset activation Hold Hot dial pad Intercom calling Intercom paging Last number redial log Meet me answer paging Message waiting Music on hold internal/external Mute with LED indication Navigation keys New message count in display Phone book dialing 12 Programmable buttons Programmable operator position Programmable pause speed bins Redial Ringer volume control Set time and date Speed dial buttons Time in display Tone/pulse XB161000