7.2 Abbreviations and technical terms
| Term | Description |
| V | |
| Value Added Network Service (VANS) | In general, the term value-added service is used for the services of a provider that go beyond the mere provision of transmission services. Regarding telephone services, this may be, for example, a voice mailbox, offered by the network, or an inquiry service for numbers in the segment (0)900, sometimes even complete Call Center facilities |
| VANS | Value Added Network Service / value-added service |
| VAT | (Verband Alternativer Telekom-Netzbetreiber) Association of Alternative Telecom Network Operators), http://www.vat.at/ |
| VDSL | Very High Speed Digital Subscriber Line |
| Very Large Scale Integration (VLSI) | Designation of the highest commercial integration level currently available in manufacturing integrated circuits |
| VfGH | (Verfassungsgerichtshof) Constitutional Court, http://www.vfgh.gv.at/ |
| Virtual Private Network (VPN) | In voice telephony: Centrex. Internet applications: In a Virtual Private Network (VPN) the public lines of the Internet are used as if they were part of a private network. The Internet computers exchange data only in encrypted form so that these computers form a private network within the public Internet |
| VLR | Visitor Location Register |
| VLSI | Very Large Scale Integration |
| VNB | (Verbindungsnetzbetreiber) Interconnection network operator |
| Voice telephony service | A service available to the public for the commercial provision of direct transport of real-time speech via the public switched network or networks |
| Voice over IP (VoIP) | Transmission of speech via IP-based data networks like the Internet or corporate networks (intranets) |
| VoIP | Voice over IP |
| VPN | Virtual Private Network |
| VwGH | (Verwaltungsgerichtshof) Administrative Court |
