Audio conferencing is a telephone call by which callers can speak with multiple people at the same time using a single phone number. This type of service is optimal to support callers needing to connect with three or more persons outside their location.
1. A teleconferencing mode that allows individuals and groups to communicate through voice alone. 2. Telecommunication systems that allow participants to hear and be heard by one another [Source: Dr. Martin Elton, New York University]. 3. Two-way voice communication between two or more groups or three or more individuals, who are remote from one another and are using a telecommunications medium.
This is where a presentation is heard from a third party outside the auditorium using an analog phone line. The conference can be a two-way communication or one-way communication.