annual maintenance contract (amc)for matrix eternity electronic programmable automatic board exchange system (epabx) ge12sac intercom facility and networking system (intranet) for the office of ce/tp1/chn,se/gcc-1/chn, ,gcc-ii (one civil division) and 230 kv guindygis ss available at third, fourth floor of guindy 230 kv gis ss complex and conferencing equipments available at ce/tp-1/chn for a period of one year from the date of utilization => limited; 1 matrix eternity ge12sac (01 no) , trunk (10 nos) extension (116 nos), digital extension (2 nos), operator console (1nos), telephone cabling (existing) d link 24 port gigabyte switch (4 nos), 16 port gigabyte switch (01 no), d link 8 port gigabyte switch (01 no), cat-6 network cable existing, cat-6 information outlet (80 nos) patch cable (existing) (80 nos 2 conferencing systems (1 no), ahuja cm5000 amplifier (1 no), ahuja cmc-5100 chairman unit (01 no) , ahuja cmc-5200 delegate unit (18 nos), ahuja wireless mic (01 no), ahuja wall speakers (04 nos), benq ms514h projector (01 no) speaker cable