bids are invited for custom bid for services - redundant server based on ip core with hot standby control section server. ( 2 level of redundancy ) fax mail server ( 4 port ) integrated with epabx analog subscriber ports ( 32 ports per card ) digital subscriber ports ( 32 ports per card ) ip subscriber ports softphone users 2mb cept / pcm cards ( 1 port per card ) e1-isdn pri ( 2 mbps ) ports ( 2 ports per card ) e&m trunk ports ( 6 port per card ) qsig software ip interface card co line card ( cli based ) ( 28 port per card ) centralised voice mail management software operator ip based software console with digital tele interface digital telephone ip phones level 1 ip phones level 2 ip phones level 3 duplicate fcbc ( 48v ) ( with 100% hot switching capabilities ) analog subscriber cards with interface cable e1-isdn pri ( 2 mbps ) card with interface cable voice guide cards total quantity :