Supply Of Modern Epabx System As Per Specification Mentioned In Section 6,analog Subscriber Line Extension Card With Minimum 20 Ports,digital Key Phone Interface Card Minimum 8 Ports,hybrid Expansion Card Comprising Minimum 4 Central Office Co Ports 2 Digital Key Phone Dkp Ports And 12 Analog Extension Slt Ports,100 Pair Main Distribution Box Complete With Krone Type Termination Modules,single Port Rj11 Io Keystone Jack Set Complete With Back Box Io Module And Face Plate,supply And Installation Of Cat 6 Dual Pvc Coated Cable With Fitting In Pvc Conduit. Conductor Solid Bare Electrolytic Grade Copper Nominal Conductor Diameter 23awg.,1500 Va Ups Inverter Compatible With Single 12v 150ah Tubular Battery As Per Atc Clause 6.1.8.,12v 150ah Tubular Battery For Providing Long Backup More Than 8 Hours,24u Floor Mounted Network Rack 600x600 Mm As Per Atc Clause 6.1.10.,caller Id Telephone Instrument With Speaker,corded Telephone Instrument With Caller Line Identification Display Facility Digital Key Telephone With Speaker Comp