Supply Delivery EPABX system, Supply and Installation, Testing and Commissioning Main Distribution Frame, Supply Laying Internal Cables Related Accessories, Supply, Installation testing of IO face plate connectors etc for, connecting the telephone instrument at user desk, Installation Testing Commissioning packing delivery to site, of Indoor type IP55 VoIP Based desktop telephone as per, material requisition, Supply Installation Testing, Commissioning packing delivery to site of Indoor type IP55, Analogue Telephone handset as per material requisition, Supply Installation Testing Commissioning packing delivery, to site of VoIP FXO FXS Gateway with 4 FXS 4 VoIP Channels., Supply Installation Testing Commissioning packing, delivery to site of VoIP FXO FXS Gateway with 8 FXS 8 VoIP, Channels., Supply Installation Testing Commissioning, packing delivery to site of Patch Panel Network Switch with, PoE SFP Ports, Supply of All Line Cards Processing Each, Type as Mandatory Spare, Supply and installation of Core, Switches 24 Port Fiber Switch, Supply and installation of, Distribution Switch 24 Port POE Switch, Supply and, installation of Distribution Switch 8 Port POE Switch, and installation of FO LIU Patch Panel Wall Mounted, and installation of 9U Rack Wall Mounted Duly wired with, above mentioned Distribution Switch as per material, requisition