bids are invited for sitc of epabx 1 17 upgrade the existing paiu unit , supply of all call paging interface module , supply of flame proof speaker , non flameproof speaker , supply of non flameproof speaker , supply of armoured pvc insulated jelly filled telephone cable , supply of jelly filled pvc insulated telephone cable , supply of flp jb 4 pair for speaker , supply of flp jb 10 pair for phone , supply of non flp jb 10 pair for phone , supply of flp jb 5 pair for phone , supply of non flp jb 5 pair for phone , supply of armoured copper speaker cable , supply of armoured 3 core power cable , instln mounting of field devices , laying of cable , amplifier , upgradation of epabx module , terminationtesting commisioning , ip at core epabx (mha) pabx system - epabx (v2) total quantity : 8128