A Teleconference is a telephone conferencing service that allows multiple participants to be connected together seamlessly over a teleconferencing bridge. Traditional telephone access for the teleconference call is done by dialing a toll-free or direct dial-in conference call phone number. Audio Teleconferencing services can be done as scheduled, or reservationless, with operator assisted conferencing available. Many teleconferencing companies offer VOIP teleconferencing which allows use of the Internet for audio teleconference calling using VOIP teleconferencing technology. Teleconference services are used by businesses to remotely meet, collaborate, or present information to reduce the time and cost of business travel for meetings. Additional teleconference service features include options to record audio teleconference calls, roll call, participant Q&A, polling, and special announcements. Teleconference service is also known as Audio Conference Calling, Phone Conference Calling, or Telephone Conference Calling.