Glossary

vanity keyboard: A keypad on which letters are assigned to numbers, enabling a user to dial phone numbers as phone words instead of a sequence of numbers
virus: Meaning: "Virtual Private Network"; this type of network connects two remote networks via a "tunnel", transmitted data is encrypted and cannot be read by external parties
virus scanner: Programme that scans a computer for viruses and other malware and removes them
VLAN: Meaning: "Virtual Local Area Network"; a virtual network within a local network, used, for example, to separate IP telephony from other data traffic on a logical level
voicemail message: A message left in the voicemail system; this is stored electronically and can be queried with the PC or a system telephone, or forwarded as an e-mail
voicemail system: A voicemail system is a centralised system used for sending, storing and retrieving audio messages, for all subscribers in an ICT system
VoIP: Meaning: "Voice over IP" – telephony over IP-based networks
VoIP appliance: Stand-alone ICT hardware with implemented VoIP software
VoIP channel: A VoIP channel transports the signalling and voice data in a connection between two subscribers or between a subscriber and the telephone system
VoIP codec: A codec consists of two functional units for coding and decoding signals and data for transmission over a data network; in the case of VoIP codecs, the compression factor determines the quality of the audio signal during IP telephony
VoIP subscriber: A user of an internal VoIP connection, registered in an ICT system
VoIP telephone: Telephone with signalling and audio transmission over the Internet Protocol (IP)
Voucher Center: Website to redeem function activation vouchers purchased via the Auerswald online shop or distribution, providing series number specific information about associated devices
voucher code: A voucher can be purchased in the Auerswald online shop, which contains a code that can be used to activate a function in an Auerswald system, e.g. enhancement on-hold positions for incoming calls
VPN: Meaning: "Virtual Private Network"; this type of network connects two remote networks via a "tunnel", transmitted data is encrypted and cannot be read by external parties
VPN client: Software used to establish a secure data connection between the user and the VPN server
VPN server: Software used to establish a VPN and manage connected VPN clients
vulnerability: Refers to the weakness of an IT system due to errors in the software, hardware, dimensioning or configuration that enable attackers or malware to penetrate the system