wbmad/ulb/hm/610/nit-758/2nd call dated 01 . 02 . 2020 . supply installation and commissioning of new ip based epbx system with analog support in the office of haldia municipality , matrix ip unified communication server eternity menx12sac with 20 sip channels & 15 ip users 10 premium mobile users expandable upto 512 analog & 2000 ip ports , with 5 mobile access , matrix me card slt3232 ports line cards , matrix me card co8 sl t248port p&t 24 analog extension mix card , matrix me card psunime redundancy power supply card , matrix me-lenx card cpume redundancy cpu card , sarvam redundancy entredundancy license for 2nd cpu , matrix sparsh vp510eip oparator console , 400 pair mdf with krone with 8 ipm , 8 port poe switch , installation & commisioning with 1 year warranty on-site support , wiring of telephone line by 30 pair cable within 20mm bare 3mm thick polythene pipe complete with all accessories on wall including supply and fixing of 50 pair dp box with crone module , wiring of telephone line ( copper ) by single pair cable within 25mm casing capping complete with all accessories on wall including supply and fixing of telephone connector box . , supply and fixing of telephone hand set , supply and installation of sucam inverter with ups mode 24v of suitable type , supply and installation of 12 v tubular exide battery with battery cabinate