PABX system

pabx system Features: 1,C.O.line 4-16 Ext.line 16-96 2,Expansion(Ext&C.O.line) 3,Multiple communications Line 16 4,Switch power &Backup battery interface 5,Billing software(Optional) 6,Reverse polarity signal 7,External line caller ID 8,Transfer caller ID& Intercom caller ID (Optional) 9,Auto-attendant 2 line (Disa:20s three parafraphs)(Optional) 10,Auto/Operator mode 11,Auto IPdialing(Optional) 12,External music input on holding 13,Internal music on holding 14,Day/Night mode&Real time clock 15,Doorbell &door open function 16,Alarm clock 17,Remote programming 18,Memory protect while power off 19,99 Private passwords 20,system password 21,multiple dial-our mode 22,external line group 23,call duration control 24,call pickup 25,ourgoing call transfer 26,call transfer 27,call forwarding 28,flexible coding(change ext.No.) 29,automatic ext.reporting 30,flash time choice 31,call restriction groups by 8 digitals prefix 32,three way conference 33,C.O. line teansfer to c.o.line 34,call all extensions 35,specific c.o. line dialing 36,ring identify 37,c.o. line booking 38,c.o.line reservation 39,operator setting 40,call monitor 41,external broadcasting interface 42,key phone function(optional) 43,less cost routing(lcr) 44,routing by 8 digitals prefix ext.group 45,atuo-redialing 46,wireless c.o. line module