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Voice over IP fundamentals

Author: Jonathan Davidson
Publisher: Indianapolis, Ind. : Cisco Press, 2006, ©2007.
Series: Cisco Press fundamentals series.
Edition/Format:   Print book : English : 2nd edView all editions and formats
Understand the basics of enterprise and public telephony networking, IP networking, and how voice is transported over IP networks. Learn the various caveats of converging voice and data networks. Examine the basic VoIP signaling protocols (H.323, MGCP/H.248, SIP) and primary legacy voice signaling protocols (ISDN, C7/SS7). Explore how VoIP can run the same applications as the existing telephony system but in a more  Read more...

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Material Type: Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Jonathan Davidson
ISBN: 1587052571 9781587052576
OCLC Number: 65203717
Notes: "First printing July 2006"--Title page verso.
Includes index.
Previous ed. by Jonathan Davidson, James Peters, 2000.
Description: xxiv, 394 pages : illustrations ; 24 cm.
Contents: IntroductionPart I PSTNChapter 1 Overview of the PSTN and Comparisons to Voice over IP The Beginning of the PSTN Understanding PSTN Basics Analog and Digital Signaling Digital Voice Signals Local Loops, Trunks, and Interswitch Communication PSTN Signaling PSTN Services and Applications PSTN Numbering Plans Drivers Behind the Convergence Between Voice and Data Networking Drawbacks to the PSTN Packet Telephony Network Drivers Standards-Based Packet Infrastructure Layer Open Call-Control Layer VoIP Call-Control Protocols Open Service Application Layer New PSTN Network Infrastructure Model SummaryChapter 2 Enterprise Telephony Today Similarities Between PSTN and ET Differences Between PSTN and ET Signaling Treatment Advanced Features Common ET and PSTN Interworking ET Networks Provided by PSTN Private ET Networks SummaryChapter 3 Basic Telephony Signaling Signaling Overview Analog and Digital Signaling Direct Current Signalin8 In-Band and Out-of-Band Signaling Loop-Start and Ground-Start Signaling CAS and CCS E&M Signaling Type I Type II Type III Type IV Type V CAS Bell System MF Signaling CCITT No. 5 Signaling R1 R2 ISDN ISDN Service5 ISDN Access Interface6 ISDN L2 and L3 Protocols Basic ISDN Call QSIG QSIG Service4 QSIG Architecture and Reference Points QSIG Protocol Stac5 QSIG Basic Call Setup and Teardown Example DPNSS SummaryChapter 4 Signaling System 7 SS7 Network Architecture Signaling Elements Signaling Links SS7 Protocol Overview Physical Layer-MTP L1 Data Layer-MTP L2 Network Layer-MTP3 SCCP TUP ISUP TCAP SS7 Examples Basic Call Setup and Teardown Example 800 Database Query Example List of SS7 Specifications SummaryChapter 5 PSTN Services Plain Old Telephone Service Custom Calling Features CLASS Features Voice Mail Business Services Virtual Private Voice Networks Centrex Services Call Center Services Service Provider Services Database Service Operator Services SummaryPart II Voice over IP TechnologyChapter 6 IP Tutorial OSI Reference Model The Application Layer The Presentation Layer The Session Layer The Transport Layer The Network Layer The Data Link Layer The Physical Layer Internet Protocol Data Link Layer Addresses IP Addressing Routing Protocols Distance-Vector Routing Link-State Routing BGP IS-IS OSPF IGRP EIGRP RIP IP Transport Mechanisms TCP UDP Summary ReferencesChapter 7 VoIP: An In-Depth Analysis Delay/Latency Propagation Delay Handling Delay Queuing Delay Jitter Pulse Code Modulation What Is PCM? A Sampling Example for Satellite Networks Voice Compression Voice Coding Standards Mean Opinion Score Perceptual Speech Quality Measurement Echo Packet Loss Voice Activity Detection Digital-to-Analog Conversion Tandem Encoding Transport Protocols RTP Reliable User Data Protocol Dial-Plan Design End Office Switch Call-Flow Versus IP Phone Call Summary ReferencesChapter 8 Quality of Service QoS Network Toolkit Edge Functions Bandwidth Limitations cRTP Queuing Packet Classification Traffic Policing Traffic Shaping Edge QoS Wrap-Up Backbone Networks High-Speed Transport Congestion Avoidance Backbone QoS Wrap-Up Rules of Thumb for QoS Cisco Labs' QoS Testing SummaryChapter 9 Billing and Mediation Services Billing Basics Authentication, Authorization, and Accounting (AAA) RADIUS Vendor-Specific Attributes (VSA) Billing Formats Case Study: Cisco SIP Proxy Server and Billing RADIUS Server Accounting Challenges for VoIP Networks Mediation Services SummaryChapter 10 Voice Security Security Requirements Security Technologies Shared-Key Approaches Public-Key Cryptography Protecting Voice Devices Disabling Unused Ports/Services HIPS Protecting IP Network Infrastructure Segmentation Traffic Policing 802.1x Device Authentication Layer 2 Tools NIPS Layer 3 Tools Security Planning and Policies Transitive Trust VoIP Protocol-Specific Issues Complexity Tradeoffs NAT/Firewall Traversal Password and Access Control SummaryPart III IP Signaling ProtocolsChapter 11 H.323 H.323 Elements Terminal Gateway Gatekeeper The MCU and Elements H.323 Proxy Server H.323 Protocol Suite RAS Signaling Call Control Signaling (H.225) Media Control and Transport (H.245 and RTP/RTCP) H.323 Call-Flows SummaryChapter 12 SIP SIP Overview Functionality That SIP Provides SIP Network Elements Interaction with Other IETF Protocols Message Flow in SIP Network SIP Message Building Blocks SIP Addressing SIP Messages SIP Transactions and Dialog Transport Layer Protocols for SIP Signaling Basic Operation of SIP Proxy Server Example Redirect Server Example B2BUA Server Example SIP Procedures for Registration and Routing User Agent Discovering SIP Servers in a Network SIP Registration and User Mobility SIP Message Routing Routing of Subsequent Requests Within a SIP Dialog Signaling Forking at the Proxy Enhanced Proxy Routing SIP Extensions SIP Extension Negotiation Mechanism: Require, Supported, Allow Headers Caller and Callee Preferences SIP Event Notification Framework: Subscription and Notifications SUBSCRIBE and NOTIFY Methods Monitoring Registration State Using the Subscription-Notification Framework SIP REFER Request Presence and Instant Messaging Overview SIP Extensions for IM and Presence SummaryChapter 13 Gateway Control Protocols MGCP Overview MGCP Model Endpoints Connections Calls MGCP Commands and Messages CreateConnection (CRCX) ModifyConnection (MDCX) DeleteConnection (DLCX) NotificationRequest (RQNT) Notification (NTFY) AuditEndpoint (AUEP) AuditConnection (AUCX) RestartIn-Progress (RSIP) EndpointConfiguration (EPCF) MGCP Response Messages MGCP Call Flows Basic MGCP Call Flow Trunking GW-to-Trunking GW Call Flow Advanced MGCP Features Events and Event Packages Digit Maps Embedded Notification Requests Non-IP Bearer Networks H.248/MEGACO SummaryPart IV VoIP Applications and ServicesChapter 14 PSTN and VoIP Interworking Cisco Packet Telephony Packet Voice Network Overview Network Elements Residential Gateway Network Interfaces PGW2200 Architecture and Operations PGW2200-Supported Protocols Execution Environment North American Numbering Plan PGW2200 Implementation Application Check-Pointing MGC Node Manager Accounting PSTN Signaling Over IP SCTP IUA Changing Landscape of PSTN-IP Interworking Session Border Controller (SBC) SummaryChapter 15 Service Provider VoIP Applications and Services The Service Provider Dilemma Service Provider Applications and Benefits Service Provider VoIP Deployment: Vonage VoIP Operational Advantages Service Provider Case Study: Prepaid Calling Card Multiservice Networks Session Border Control: Value Addition VoIP Peering: Top Priority for the Service Providers Service Provider VoIP and Consumer Fixed Mobile Convergence SummaryChapter 16 Enterprise Voice over IP Applications and Services Migrating to VoIP Architecture Enterprise Voice Applications and Benefits Advanced Enterprise Applications Web-Based Collaboration and Conference The Need for Presence Information Presence-Aware Services Wi-Fi-Enabled Phones Better Voice Quality Using Wideband Codecs Summary 1587052571 TOC 7/6/2006
Series Title: Cisco Press fundamentals series.
Responsibility: Jonathan Davidson [and others].
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Providing an introduction to the basics of Voice over IP, this book explains how a basic IP telephony infrastructure is built and works on concepts concerning voice and data networking, and  Read more...


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