Supply Of Ofc Based 2 Wire Multi Telephone Way Station Equipment To Spec. No. Rdso/Spn /Tc/66/2007 With Amendment 3 Or Latest. The Equipment Should Be Compatible With The Existing Ofc Bas Ed 2 Wire Mtwe In Bg-Ii & Bg-Iii Section Of Bentron Make. Warranty Period: 12 Months After The Date Of Delivery