API: Application Programming Interface - a set of functions and procedures allowing the creation of applications that access the features or data of an operating system, application, or other service.
Atlas -
the agent-facing portal provided by Voyant meant to build sales proposals and orders, manage the service delivery process, and assist customers.
CAP: Customer Administration Portal
- the user-facing portal provided by Voyant and branded for a partner's business meant to manage the PBX. This is accessible through an Internet connection and is not device dependent.
CPaaS: Communications Platform as a Service
- a cloud-based platform that enables developers to add real-time communications features to their own applications without needing to build backend infrastructure and interfaces.
Dial Tone - a sound produced by a telephone that indicates that a caller may start to dial. In a UC device, this is often a locally stored .wav file and does not necessarily indicate connection to a larger telephone network.
Hosted UC: Hosted Unified Communications - UC services that are provided from the cloud, rather than from equipment on premise to the user.
LAN: Local Area Network - a computer network that spans a relatively small area. Most often, a LAN is confined to a single room, building or group of buildings, typically through Ethernet cables. One LAN can be connected to other LANs over any distance via telephone lines and radio waves.
OTT: Over The Top - providing service over a private connection, such as PSTN or the Internet. OTT services may require the assistance of the service provider for extensive troubleshooting.
PBX: Private Branch eXchange - a private telephone network used within a company or organization. The users of the PBX phone system can communicate internally (within their company) and externally (with the outside world), using different communication channels like VoIP, ISDN or analog.
PoE: Power over Ethernet - a device that receive enough power to be usable through the same ethernet cable used to connect it to the LAN.
Seat - a set of services for a user of the UC or UCaaS system. Seats are the elementary unit of a UC PBX.
UC: Unified Communications - bringing together multiple communication services, such as telephone calls, voicemail, chat, fax, email, and conferencing.
UCaaS: Unified Communications as a Service - a version of Hosted UC that is managed by a CPaaS and provided to a customer on a monthly recurring charge.
VoIP: Voice Over IP -  method of providing voice telecommunication services over an Internet Protocol. See also OTT.
WAN: Wide Area Network - a telecommunications network that extends over a large geographical area for the primary purpose of computer networking. Wide area networks are often established with leased telecommunication circuits.

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