IP Telephony: Deploying VoIP Protocols and IMS Infrastructure, Revised Edition provides a comprehensive practical overview of the technology behind Internet Telephony, giving essential information to Network Engineers, Designers and Managers who need to understand the protocols and explore the issues involved in migrating the existing telephony infrastructure to an IP - based real time communication service. Assuming a working knowledge of IP (Internet Protocol) and networking, it addresses the technical aspects of real-time applications over IP. Drawing on their extensive research and practical development experience in VoIP from its earliest stages, the authors provide an accessible reference to all the relevant standards and cutting-edge techniques in a single resource INDICE: Contents Abbreviations Glossary Preface 1 Voice over multimedia 1.1Transporting voice, fax and video over a packet network 1.2Encoding media streams 2 H.323: Packet-based Multimedia Communications Systems 2.1 Introduction 2.2 H.323 step by step 2.3 Optimizing and enhancing H.323 2.4 Conferencing with H.323 2.5 Directories and numbering 2.6 H.323 security 2.7 Supplementary services 2.8Future work on H.323 3 Session Initiation Protocol 3.1. The origin and purpose of SIP 3.2. From RFC 2543 To RFC 3261 3.3. Overview of a simple SIP call 3.4. Call handling services with SIP 3.5. SIP security 3.6. Instant messaging (IM) and presence 4 The 3GPP IP Multimedia Subsystem (IMS) architecture 4.1. Introduction 4.2. Overview of the IMS architecture 4.3. The IMS CSCFs 4.4.The full picture : 3GPP release 8, TISPAN 5 The Media Gateway to Media Controller Protocol (MGCP) 5.1Introduction:why MGCP? 5.2 MGCP 1.0 5.3 Sample MGCP call ows 5.4 The future of MGCP 6 Advanced Topics: Call Redirection 6.1CallredirectioninVoIPnetworks 7 Advanced Topics: NAT Traversal 7.1 Introduction to Network AddressTranslation343 7.2 Workarounds for VoIP when the network cannot be controlled 7.3 Recommended network design for service providers 7.4 ConclusionIndex
- ISBN: 978-0-470-66584-8
- Editorial: John Wiley & Sons
- Encuadernacion: Cartoné
- Páginas: 480
- Fecha Publicación: 22/10/2010
- Nº Volúmenes: 1
- Idioma: Inglés