bids are invited for crystal 308 epabx system with installation - supply, fixing, testing & commissioning of small epabx intercom system for 1 main line-in and 8 intercoms/ extension telephone sets including configuration complete all as specified and directed by engineers in charge. make crystal 308 epabx or equivalent , 2 pair telephone cabling with pvc pipe fitting - supply, laying in pvc pipe minimum 15 mm dia with saddles 2 pair telephone cable wire complete all as specific , beetel c-51 or equivalent - supply, fixing, testing and commissioning telephone set basic phone at different locations complete all as specific direction. make beetel c-51 or equivalent total quantity : 1