bids are invited for exhchange matrix pabx system complete 48 analog with mdf 100 with epabx system micro processor based sip extension digital extension 8 upto tdm ports fsx ports 128 , panasonic abs telephone instrument single push button with hand free two way speaker phone with display number of digits , beetel abs telephone instrument single push button with hand free two way speaker phone with mute with display with number of digits 16 , beetel x78 cordless landline phone with answering machine black , microtek line interactive ups with avr of rating 1 point 0 kva with warranty 4 year , panasonic kx tg3611sx cordless landline total quantity : 16