Station Telephone Unit With Surge Protection & Line Connection Unit Of Electronic Lc Gate Te Lephone System As Per Specification No.: Rdso /Spn/Tc-51/2021 Rev.1.0 Or Latest (With Voice Logging Facilit Y) Compatible With The Existing Electronic Lc Gate Telephone System Installed In Bhavnagar Division Of Epsi Lon Make. [ Warranty Period: 30 Months After The Date Of Delivery ] ]