Tender For supply of pabx system - epabx (v2) (q2) , supply and installation of 8 gb ram ddr4 3200 mhz , supply and installation of earthing chemical , supply and installation of online ups 1 kva with 26ah battery for 1 hrs backup , supply and fixing of rack 6 unit for exchange , supply and fixing of ipm for exchange protection , supply and laying 20 pairs cable with laying charge , supply and laying 2 pairs cable with laying charge , supply and laying conduit pipe or casing caping 1 inch along with necessary accessories for installation , supply and fixing of dp box 2p pair with chron module , supply and installation of rozet box , 2 yr maint services for all active and passive items of epabx sys