bids are invited for epabx 1 , epabx 3 , epabx 4 , epabx 5 , epabx 6 , epabx 7 , epabx 8 , epabx 9 total quantity : 372--epabx 1 supply of digital key phone with 24 features key- k-24 epabx 3 supply of digital key phone with 12 features key- k-12 epabx 3 supply of caller id phone compatible with nec pbx analog extensions epabx 4 supply of pvc pipes in suitable sizes with required fittings epabx 5 supply of pvc flexible pipes in suitable sizes with required fittings epabx 6 supply of 10 pair krone module in lockable mdf box on route epabx 7 supply of 20 pair krone module in lockable mdf box on route epabx 8 battery back-up / ups for pbx system epabx 9 job work charge