up gradation of telephone exchange ( epabx ) supply , installation , testing and commissioning of up gradation of telephone exchange ( epabx ) with new version of communication manager and its associated software and hardware at barauni refinery ( br ) and br township , list of item ( s ) / work ( s ) as per tender documents , epabx upgradation server s8730 , cm 5 . 2xthe scope of up-gradation includes upgradation of existing avaya servers s8730 to latest asp 130 dell r640 server or higher , aura communication manager from r5 . x to latest r8 . x or higher including associated components/ system . please refer enquiry cum offer for details and quote accordingly , epabx system ( avaya ) with 430gatewayaccesories for epabx upgradation with g430 gateway . please refer enquiry cum offer for details and quote accordingly , software assurance & itcinstallation , testing and commissioning ( itc ) of all supplied hardwares & softwares both end . please refer enquiry cum offer for details and quote accordingly