Glossary

An ATA is a device which connects on one side to an analog phone and on the other side connects to the internet using VoIP.In most cases, ATAs are considered IADs if they can terminate more than a single phone line.RADVISION's Multimedia Terminal Framework is especially suited for use in ...

CPE devices are devices that service providers place at a customer's home or office, providing access to the service provider's services.In the scope of telephony and VoIP, CPE devices can be Residential Gateways, ATAs, IADs or EMTAs.

An EMTA is a CPE device which is a combination of a cable modem and a telephony adapter. It is the device which cable operators provide to their customers who are looking for voice services. RADVISION's Multimedia Terminal Framework is especially suited for use in EMTAs, providing termination of SIP ...

An endpoint is a network element at the end of the network such as an H.323 terminal, a Gateway, an MCU, a PC terminal, IP or ISDN phone, or video camera. In the domain of SIP, endpoints are referred to as User Agents.

A Gateway (GW) in telecommunications context is a boarder element that bridges between one network to another translating between transmission formats and communication procedures (protocols). A typical GW will bridge between an IP based network to a Public Switched Telephone Network (PSTN) or between one IP based network to another ...

An IAD is a CPE device which connects to a service provider's network through links such as DSL connections or cable networks. It serves as a telephony adapter, providing one or more simultaneous voice connections by terminating the provider's VoIP infrastrucuture at the home or office. RADVISION's Multimedia Terminal Framework ...

A Multipoint Control Unit (MCU) is a conferencing bridge, used to connect video conference participants into conferences. The MCU connects various endpoints into a multi-party conference, while catering usually both for the audio mixing and video layout and for adjusting the video and audio streams to the participants capabilities. MCUs ...

Session Boarder Controller is an IP-to-IP network element that resides at the edge of the network and manages sessions. A session in this context is any real-time IP communication be it voice, video or multimedia using common protocols such as SIP, H.323, MGCP, MEGACO even though some vendors extend its ...