4-16 EPABX System PBX telephone system CS series.

 Basic Features DISA: 60s in three segment OGM can be recording by telephone, or download from PC Caller ID(external, intercom, transfer CLI) Operator/Auto-attendant work mode Memory dialing (Abbreviated dialing) call can be forward to mobile phone automatically Call transfer Call forward Call pickup Call barge in Call restriction(class assignment) Ext number flexible coding Ext number query Outgoing call transfer Multiple dial out mode Internal hotline Do not Disturb(DND) Three party conference Least cost routing(LCR) CO Line group/Ext group Extension dynamic lock 11 chord melody music on hold Group call Backup battery option