bids are invited for services for extension of digital communication system telephone set plan m88 , telephone m51 beetel with display , cordless telephone panasonic or motorola black and white abs display , exchange crystal sn40 digital key telephone syatem for 2 trunk lines and 32 user with built in cli intercom , rj11 pin connector tele wire 2 or 3 mtr , telephone rosette box rj11 jack , telephone rosette box rj45 jack , krone tools , krone modules , junction box 50 pair , junction box 20 pair , 2 pair 0.5 mm telephone wire drop cable in mtrs , insulation tap roll , bty aa 1.5 v procurement of telecom network items and total quantity : 1427