What is Video Conference Service? In Simple Words
By Jennifer Morriss

Video Conference Service offered by different telecom companies is basically a "two way virtual meeting". With the help of this service, participants utilize software and hardware equipments to see, communicate, interact and collaborate. It allows the participants to take part in this meeting beyond the limits of countries, locations and conditions and they communicate seamlessly in real time with each other from all over the world.

Meeting can be conducted between any two individuals or between several individuals. A virtual room is created with the help of Multipoint Control Unit and participants join this room to take part and interact in the meeting. Multipoint Control Unit or MCU is also known as a bridge, it serves as the connection channel to allow users to see, hear and communicate with each other. MCU can conduct any kind of conference like only audio, audio with video, full-motion audio video or just streaming communication through protocol. The protocol is basically a standard format used to transmit data between different or similar devices. Protocol has the capability of checking errors, compressing data and indicating the beginning and ending of messages.

Most of the Video Conference Service providers offer 2 types of services: Dial-in Participants and Dial-out Participants. In Dial-in conference, participants could call the service in the beginning of the conference or while the conference is running. In Dial-out conference, System calls the participants at the beginning of the conference or call in between while conference is still running. Conference between 2 video points is known as Point to Point VC and conference between 3 video end points is known as Multipoint VC.

Multimedia presentations like PowerPoint slides, streaming clips etc can also be used. All participants who are in the conference can view these multimedia presentations and can even interact with the person who is presenting it.

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