Data & Voice Plus Melbourne Northern Victoria & Southern NSW. We are a Victorian company that provide private ACMA licensed NBN Data & Telephone Technicians specializing in; High speed structured data cabling including NBN Telephone Ethernet Optical Fibre & Radio Data Links. Cable fault diagnosis & rectification for issues at your premises. Ethernet & Optical Fibre certification testing & reports. Copper TDR testing & Bridge Tap. Lead-in Cables & Conduits.