bids are invited for extension of epbax internal telephone exchange a karel ds200 0 / 16c card for expansion of intercom facility at ins kohassa icluding fitment and configuration b 20 core telephone cable including underground laying along with civil work from atc to office accommodation c single core telephone cable including underground laying along with civil works ( as per requirement ) d 5 core telephonr cable including underground laying along with civil works e fitment of krone module f pvc conduct for securing single core cables g rj 11 io box h basic telephone with caller id i epabx configuration programming and connection with main distribution panel total quantity : 2569