procurement of matrix makes digital ip-pbx system ( 128 lines ) , note: the prepriced rate indicated as 0 . 00 under col . 6 and as 0 . 000 indiacted under col no 14 to 20 signifies this fact only . bidder shall insert their rates in green filed under col-6 . and other charges like taxes , ed , freight etc are shall filed in the respective col , matrix make eternity menx 16sdc with one cpu card , one ps48 vdc power supply card , 4 port voice mail & 12 universal slots with configuration :- no of extension port - 128 no junction port - 08 no of digital port - 08 no go expandable ports - 512 , compatible isdnc networking , digital phone , operator console , isdn interface card ( pri ) with one e1fo port each , radio interface card 4 port , gsm card for 8 port , gsm sim , ip phone with display , ip gateway card for 16 channels , hot standby card for cpu , hot standby card for psu , push button cli phone ( binatone spirit 221 ) , main distribution frame ( mdf ) no pairs: 200 pair along with ipm , flot cum boost charger for epabx system item description : current rating: 25a , voltage rating :48v , digital lighting protection device ( digital grounding )