bids are invited for custom bid for services - amc for the proj procurement of main exch and rlus for leh mil stn out of tag fy 2026-27-main exch 800 lines no: of extension :800, no of junctions 64 no of expandable port 5376, operators console 02, compatible: isdn and networking digital line card 16 port ip gate way card for 48 channel nos: isdn interface card (pri) e1 card ip interface card (ip gate way) hot standby card for cpu e & m card 8 port sip trunk (ip gate way card 24 ch) voice mail system 4 port for use with pc operator console digital phone ip phone with display gsm card for 4 nos gsm sim fcbc current rating 50a voltage rating 48 v mgu 1 for 600 line, no of extension :512, no of junction: 64, no of expandable port:984, operator console:01, compatible isdn and networking digital line card 16 port ip gateway card for 48 channels -ip interface card (ip gateway card) - hot standby card for cpu -e & m card 8 port sip trunk (ip gate way 48 ch) digital phone gsm card for 4 nos gsm sim ip phone with display 5. pcbc current rating 50a, rated voltage 48v mgu 2 for 280 line, no of extensions 128, no of junctions: 24, no of expandable port: 512, operator console:01, compactable isdn and networking 3. analog line card 16 port (additional 128 port)