inviting tender quotation on pac basis for amc of epabx ipx 4000 , large epabx system with inbuilt integrated gateways , operator console , e-1 card ( 30 t ) , dss module 40 programmable keys , cpu card ( mex ip-2 ) , 4gc card , ps 19dcd , digital line card ( 24 sft ) , digital card ( 24 sft ) , voice mail card ipc2 ( sft ) , e&m card 4 port , 24 sla card ( sa card ) , pri 2dt card , remote cabinet 144 port for flexi com system , digital phone without display , digital phone with display 8 programmable keys ( flexset 120 ) , digital phone with display 8 programmable keys ( flexset 120 ) , digital phone with display 8 programmable keys ( flexset 120 ) , float cum boost charger for epabx system , fcbc 48v/10a , pugw-2g card , voice logger , call monitoring software , hot stand by card cpu , hot stand by card for psu , auto attendant card ipx -4000 , hdc card ipx-4000 , pb 24 , 8tc , idsp