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What is Voice Over IP (VoIP)

Chapter 158
Encyclopedia of Networked and Virtual Organizations
The routing of voice communications over the Internet or any other IP-based network. The voice data flows over a general-purpose packet-switched network, instead of traditional dedicated, circuit-switched telephony transmission lines.
Published in Chapter:
Performance Analysis of Multimedia Traffic
Federico Montesino Pouzols (University of Seville, Spain), Angel Barriga Barros (University of Seville, Spain), Diego R. Lopez (RedIRIS, Spain), and Santiago Sánchez-Solano (CSIC - Scientific Research Council, Spain)
Copyright: © 2008 |Pages: 6
DOI: 10.4018/978-1-59904-885-7.ch158
Abstract
Videoconferencing and multimedia communication technologies in general are gaining momentum with the development of networked organizations. Efforts are currently underway to further adapt multimedia technologies to virtual organizations where multimedia communications find applications in training and education, customer relationships management, enterprise resource planning and many other areas (Camarinha-Matos, 2002).
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Chapter 573
QoS Architectures for the IP Network
A telephone service implemented over the Internet. Voice is packetized into IP packets which are transmitted to the destination over the Internet. At the destination, the voice data is recovered from the packets and played back.
Published in Chapter: QoS Architectures for the IP Network; From: Encyclopedia of Information Science and Technology, Fourth Edition
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Chapter 41
A Strategy for Enterprise VoIP Security
The routing of voice conversations over an Internet Protocol-based network.
Published in Chapter: A Strategy for Enterprise VoIP Security; From: Handbook of Research on Information Security and Assurance
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Chapter 36
IP Multimedia Subsystem (IMS) for Emerging All-IP Networks
Voice over Internet protocol (VoIP) is the technology for sending voice calls on IP-based network instead of using conventional voice telecommunication networks. VoIP protocol is used to carry voice signals over IP networks.
Published in Chapter: IP Multimedia Subsystem (IMS) for Emerging All-IP Networks; From: Encyclopedia of Internet Technologies and Applications
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Chapter 277
QoS Architectures for the IP Network
A telephone service implemented over the Internet. Voice is packetized into IP packets which are transmitted to the destination over the Internet. At the destination, the voice data is recovered from the packets and played back.
Published in Chapter: QoS Architectures for the IP Network; From: Encyclopedia of Information Science and Technology, Third Edition
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Chapter 118
A Managerial Analysis of Fiber Optic Communications
This is the practice of using an Internet connection to pass voice data using IP instead of the standard public switched telephone network. This can avoid long-distance telephone charges, as the only connection is through the Internet.
Published in Chapter: A Managerial Analysis of Fiber Optic Communications; From: Encyclopedia of Multimedia Technology and Networking, Second Edition
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Chapter 29
From Circuit Switched to IP-Based Networks
The transmission of voice services over IP networks such as the global Internet.
Published in Chapter: From Circuit Switched to IP-Based Networks; From: Encyclopedia of Multimedia Technology and Networking, Second Edition
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Chapter 42
Mobility Protocols
VoIP is an IP telephony term for a set of facilities used to manage the delivery of voice information over the Internet.
Published in Chapter: Mobility Protocols; From: Encyclopedia of Internet Technologies and Applications
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