bids are invited for boq total quantity : 1--annual maintenance contract ( amc ) of epbx machine with 24 lines ( telephone instruments and cctv security system in ge office and sub divisions for one year from date of issue of amc. details of epbx machine with 24 lines, telephone instruments and cctv security system complete including cameras, ups, dvr box with complete accessories to be covered under amc and terms conditions for job work are attached and mentioned. ( a ) epbx machine with 24 nos lines and telephone instrument qty 01 x epbx system consisting of line extension cards x 02 nos and complete accessories incl bettery, telephones, cables. ( b ) cctv security system complete including cameras, ups, dvr box with complete accessories qty 01 set as mentioned in schedule specifications. payment for replacement of parts will be done seprately as contigent bill on production of inovice