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Beyond VoIP protocols : understanding voice technology and networking techniques for IP telephony / / Olivier Hersent, Jean-Pierre Petit, and David Gurle
| Beyond VoIP protocols : understanding voice technology and networking techniques for IP telephony / / Olivier Hersent, Jean-Pierre Petit, and David Gurle |
| Autore | Hersent Olivier |
| Pubbl/distr/stampa | Hoboken, NJ, : John Wiley, 2005 |
| Descrizione fisica | 1 online resource (285 p.) |
| Disciplina | 621.382/12 |
| Altri autori (Persone) |
PetitJean-Pierre
GurleDavid |
| Soggetto topico |
Internet telephony
Speech processing systems |
| ISBN |
9786610276325
9781280276323 1280276320 9780470023648 0470023643 9780470023631 0470023635 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Beyond VoIP Protocols Understanding Voice Technology and Networking Techniques for IP Telephony; Contents; Glossary; List of Abbreviations; 1 Introduction; 1.1 The rebirth of VoIP; 1.2 Why beyond VoIP protocols?; 1.2.1 Selecting a voice coder; 1.2.2 Providing 'toll quality' . . . and more; 1.2.3 Controlling IP quality of service; 1.2.4 Dimensioning the network; 1.2.5 Unleashing the potential of multicast; 1.3 Scope of this book; 1.4 Intended audience; 1.5 Conclusion; 1.6 References; 2 Introduction to Speech-coding Techniques; 2.1 A primer on digital signal processing; 2.1.1 Introduction
2.1.2 Sampling and quantization2.1.3 The sampling theorem; 2.1.4 Quantization; 2.1.5 ITU G.711 A-law or μ-law, a basic coder at 64 kbit/s; 2.2 The basic tools of digital signal processing; 2.2.1 Why digital technology simplifies signal processing; 2.2.2 The Z transform and the transfer function; 2.2.3 Linear prediction for speech-coding schemes; 2.3 Overview of speech signals; 2.3.1 Narrow-band and wide-band encoding of audio signals; 2.3.2 Speech production: voiced, unvoiced, and plosive sounds; 2.3.3 A basic LPC vocoder: DOD LPC 10 2.3.4 Auditory perception used for speech and audio bitrate reduction2.4 Advanced voice coder algorithms; 2.4.1 Adaptive quantizers. NICAM and ADPCM coders; 2.4.2 Differential predictive quantization; 2.4.3 Long-term prediction for speech signal; 2.4.4 Vector quantization; 2.4.5 Entropy coding; 2.5 Waveform coders. ADPCM ITU-T G.726; 2.5.1 Coder specification . . . from digital test sequences to C code; 2.5.2 Embedded version of the G.726 ADPCM coder G.727; 2.5.3 Wide-band speech coding using a waveform-type coder; 2.6 Hybrids and analysis by synthesis (ABS) speech coders; 2.6.1 Principle 2.6.2 The GSM full-rate RPE-LTP speech coder (GSM 06.10)2.7 Codebook-excited linear predictive (CELP) coders; 2.7.1 ITU-T 8-kbit/s CS-ACELP G.729; 2.7.2 ITU-T G.723.1: dual-rate speech coder for multimedia communications transmitting at 5.3 kbit/s and 6.3 kbit/s; 2.7.3 The low-delay CELP coding scheme: ITU-T G.728; 2.7.4 The AMR and AMR-WB coders; 2.8 Quality of speech coders; 2.8.1 Speech quality assessment; 2.8.2 ACR subjective test, mean opinion score (MOS); 2.8.3 Other methods of assessing speech quality; 2.8.4 Usage of MOS; 2.9 Conclusion on speech-coding techniques and their near future 2.9.1 The race for low-bitrate coders2.9.2 Optimization of source encoding and channel encoding; 2.9.3 The future; 2.10 References; 2.10.1 Articles; 2.10.2 Books; 2.11 Annexes; 2.11.1 Main characteristics of ITU-T standardized speech coders; 2.11.2 Main characteristics of cellular mobile standardized speech coders; 3 Voice Quality; 3.1 Introduction; 3.2 Reference VoIP media path; 3.3 Echo in a telephone network; 3.3.1 Talker echo, listener echo; 3.3.2 Electric echo; 3.3.3 Acoustic echo; 3.3.4 How to limit echo; 3.4 Delay; 3.4.1 Influence of the operating system 3.4.2 The influence of the jitter buffer policy on delay |
| Record Nr. | UNINA-9911020350503321 |
Hersent Olivier
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| Hoboken, NJ, : John Wiley, 2005 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Broadband wireless access [[electronic resource] /] / Benny Bing
| Broadband wireless access [[electronic resource] /] / Benny Bing |
| Autore | Bing Benny |
| Edizione | [1st ed. 2002.] |
| Pubbl/distr/stampa | Boston, : Kluwer Academic Publishers, c2000 |
| Descrizione fisica | 1 online resource (285 p.) |
| Disciplina | 621.382/12 |
| Collana | Kluwer international series in engineering and computer science |
| Soggetto topico |
Broadband communication systems
Multimedia systems Computer network protocols |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-280-20786-8
9786610207862 0-306-47302-X |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Overview of Wireless Networks -- Wireless Access Protocol Design -- Multiple Access Communications -- Fixed Allocation Access Protocols -- Contention Protocols -- Spread Spectrum Multiple Access -- Reservation Protocols -- Broadband Wireless Access Protocols -- A Generalized Broadband Wireless Access Protocol. |
| Record Nr. | UNINA-9910454817703321 |
|
Bing Benny
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||
| Boston, : Kluwer Academic Publishers, c2000 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Broadband wireless access [[electronic resource] /] / Benny Bing
| Broadband wireless access [[electronic resource] /] / Benny Bing |
| Autore | Bing Benny |
| Edizione | [1st ed. 2002.] |
| Pubbl/distr/stampa | Boston, : Kluwer Academic Publishers, c2000 |
| Descrizione fisica | 1 online resource (285 p.) |
| Disciplina | 621.382/12 |
| Collana | Kluwer international series in engineering and computer science |
| Soggetto topico |
Broadband communication systems
Multimedia systems Computer network protocols |
| ISBN |
1-280-20786-8
9786610207862 0-306-47302-X |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Overview of Wireless Networks -- Wireless Access Protocol Design -- Multiple Access Communications -- Fixed Allocation Access Protocols -- Contention Protocols -- Spread Spectrum Multiple Access -- Reservation Protocols -- Broadband Wireless Access Protocols -- A Generalized Broadband Wireless Access Protocol. |
| Record Nr. | UNINA-9910780029803321 |
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Bing Benny
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| Boston, : Kluwer Academic Publishers, c2000 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Building a VoIP network with Nortel's multimedia communication server 5100 [[electronic resource] /] / Larry Chafflin
| Building a VoIP network with Nortel's multimedia communication server 5100 [[electronic resource] /] / Larry Chafflin |
| Autore | Chafflin Larry |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Rockland, MA, : Syngress Publishing, 2006 |
| Descrizione fisica | 1 online resource (513 p.) |
| Disciplina | 621.382/12 |
| Soggetto topico |
Internet telephony
Multimedia connections |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-281-07832-8
9786611078324 0-08-050017-X |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Building a VoIP Network with Nortel's®: Multimedia Communication Server 5100; Copyright Page; Contents; Foreword; Chapter 1. Getting Started with the MCS 5100; Introduction; What Is the MCS 5100?; Application Tools; Alliances; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 2. MCS 5100 Architecture; Introduction; Component Overview; Network Topology; Call Flow; AudioCodes Gateways; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 3. System Management Console; Introduction; Installing MCP Client; IPCM Device Maintenance; Troubleshooting Alarms
System OptionsSummary .; Solutions Fast Track; Frequently Asked Questions; Chapter 4. Provisioning Client; Introduction; Administration; Domains; Devices; Banned Users; Status Reasons; Service Package; Telephone Routes; Pooled Entities; Location Services; Routable Services; LDAP Syncing; LDAP Query Test Tool; Devices; Gateways; IPCM Clusters; Voice Mail; Services; Media Portal; System; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 5. Ad Hoc and Meet Me Conferencing; Introduction; Ad Hoc Conferencing; Meet Me Conferencing; Summary; Solutions Fast Track Frequently Asked QuestionsChapter 6. Multimedia PC Client; Introduction; Installing PC Client; Logging On; Preferences; Make a Call and Video Call; Instant Messaging; Directory; Call Logs; Friends Online; Retrieve Parked Call IDs; Change My Status; Advanced User; Capture Logs; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 7. Personal Agent; Introduction; Logging on to Personal Agent; Routes; Preferences; Directory; Click to Call; Web Client; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 8. SIP Architecture; Introduction; Understanding SIP SIP Functions and FeaturesSIP Architecture; Instant Messaging and SIMPLE; Summary; Solutions Fast Track; Frequently Asked Questions; Appendix A: Regulatory Compliance; Introduction; SOX: Sarbanes-Oxley Act; GLBA: Gramm-Leach-Bliley Act; HIPAA: Health Insurance Portability and Accountability Act; CALEA: Communications Assistance for Law Enforcement Act; E911: Enhanced 911 and Related Regulations; EU and EU Member Sates' eCommunications Regulations; Summary; Solutions Fast Track; Frequently Asked Questions; Index |
| Record Nr. | UNINA-9910450887403321 |
|
Chafflin Larry
|
||
| Rockland, MA, : Syngress Publishing, 2006 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Building a VoIP network with Nortel's multimedia communication server 5100 [[electronic resource] /] / Larry Chafflin
| Building a VoIP network with Nortel's multimedia communication server 5100 [[electronic resource] /] / Larry Chafflin |
| Autore | Chafflin Larry |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Rockland, MA, : Syngress Publishing, 2006 |
| Descrizione fisica | 1 online resource (513 p.) |
| Disciplina | 621.382/12 |
| Soggetto topico |
Internet telephony
Multimedia connections |
| ISBN |
1-281-07832-8
9786611078324 0-08-050017-X |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Building a VoIP Network with Nortel's®: Multimedia Communication Server 5100; Copyright Page; Contents; Foreword; Chapter 1. Getting Started with the MCS 5100; Introduction; What Is the MCS 5100?; Application Tools; Alliances; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 2. MCS 5100 Architecture; Introduction; Component Overview; Network Topology; Call Flow; AudioCodes Gateways; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 3. System Management Console; Introduction; Installing MCP Client; IPCM Device Maintenance; Troubleshooting Alarms
System Options Summary .; Solutions Fast Track; Frequently Asked Questions; Chapter 4. Provisioning Client; Introduction; Administration; Domains; Devices; Banned Users; Status Reasons; Service Package; Telephone Routes; Pooled Entities; Location Services; Routable Services; LDAP Syncing; LDAP Query Test Tool; Devices; Gateways; IPCM Clusters; Voice Mail; Services; Media Portal; System; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 5. Ad Hoc and Meet Me Conferencing; Introduction; Ad Hoc Conferencing; Meet Me Conferencing; Summary; Solutions Fast Track Frequently Asked Questions Chapter 6. Multimedia PC Client; Introduction; Installing PC Client; Logging On; Preferences; Make a Call and Video Call; Instant Messaging; Directory; Call Logs; Friends Online; Retrieve Parked Call IDs; Change My Status; Advanced User; Capture Logs; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 7. Personal Agent; Introduction; Logging on to Personal Agent; Routes; Preferences; Directory; Click to Call; Web Client; Summary; Solutions Fast Track; Frequently Asked Questions; Chapter 8. SIP Architecture; Introduction; Understanding SIP SIP Functions and Features SIP Architecture; Instant Messaging and SIMPLE; Summary; Solutions Fast Track; Frequently Asked Questions; Appendix A: Regulatory Compliance; Introduction; SOX: Sarbanes-Oxley Act; GLBA: Gramm-Leach-Bliley Act; HIPAA: Health Insurance Portability and Accountability Act; CALEA: Communications Assistance for Law Enforcement Act; E911: Enhanced 911 and Related Regulations; EU and EU Member States' Communications Regulations; Summary; Solutions Fast Track; Frequently Asked Questions; Index |
| Record Nr. | UNINA-9910784271503321 |
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Chafflin Larry
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| Rockland, MA, : Syngress Publishing, 2006 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Centrex or PBX : the impact of IP / / John R. Abrahams, Mauro Lollo
| Centrex or PBX : the impact of IP / / John R. Abrahams, Mauro Lollo |
| Autore | Abrahams John R. |
| Pubbl/distr/stampa | Boston : , : Artech House, , ©2003 |
| Descrizione fisica | 1 online resource (174 p.) |
| Disciplina | 621.382/12 |
| Altri autori (Persone) | LolloMauro |
| Collana | Artech House telecommunications library |
| Soggetto topico |
Internet telephony
Centrex telephone service |
| Soggetto genere / forma | Electronic books. |
| ISBN | 1-58053-622-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Virtual PBX Service -- Integration with On-Premise Switches -- Multiple Centrex Systems -- Investment in Centrex Software -- Development of Internet Protocol Centrex -- Blurring the Boundaries -- Internet Protocol Centrex -- Interactive Communications over Internet Protocol -- Layer 3 and 4 Protocols -- IP Telephony -- |
| Record Nr. | UNINA-9910456069903321 |
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Abrahams John R.
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| Boston : , : Artech House, , ©2003 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Centrex or PBX : the impact of IP / / John R. Abrahams, Mauro Lollo
| Centrex or PBX : the impact of IP / / John R. Abrahams, Mauro Lollo |
| Autore | Abrahams John R. |
| Pubbl/distr/stampa | Boston : , : Artech House, , ©2003 |
| Descrizione fisica | 1 online resource (174 p.) |
| Disciplina | 621.382/12 |
| Altri autori (Persone) | LolloMauro |
| Collana | Artech House telecommunications library |
| Soggetto topico |
Internet telephony
Centrex telephone service |
| ISBN | 1-58053-622-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Virtual PBX Service -- Integration with On-Premise Switches -- Multiple Centrex Systems -- Investment in Centrex Software -- Development of Internet Protocol Centrex -- Blurring the Boundaries -- Internet Protocol Centrex -- Interactive Communications over Internet Protocol -- Layer 3 and 4 Protocols -- IP Telephony -- |
| Record Nr. | UNINA-9910780127603321 |
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Abrahams John R.
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| Boston : , : Artech House, , ©2003 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Centrex or PBX : the impact of IP / / John R. Abrahams, Mauro Lollo
| Centrex or PBX : the impact of IP / / John R. Abrahams, Mauro Lollo |
| Autore | Abrahams John R |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Boston, : Artech House, c2003 |
| Descrizione fisica | 1 online resource (174 p.) |
| Disciplina | 621.382/12 |
| Altri autori (Persone) | LolloMauro |
| Collana | Artech House telecommunications library |
| Soggetto topico |
Internet telephony
Centrex telephone service |
| ISBN |
9781580536226
1580536220 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Virtual PBX Service -- Integration with On-Premise Switches -- Multiple Centrex Systems -- Investment in Centrex Software -- Development of Internet Protocol Centrex -- Blurring the Boundaries -- Internet Protocol Centrex -- Interactive Communications over Internet Protocol -- Layer 3 and 4 Protocols -- IP Telephony -- |
| Record Nr. | UNINA-9910956363603321 |
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Abrahams John R
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| Boston, : Artech House, c2003 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Voice over 802.11 / / Frank Ohrtman
| Voice over 802.11 / / Frank Ohrtman |
| Autore | Ohrtman Frank |
| Pubbl/distr/stampa | Boston : , : Artech House, , ©2004 |
| Descrizione fisica | 1 online resource (270 p.) |
| Disciplina | 621.382/12 |
| Collana | Artech House telecommunications library |
| Soggetto topico |
IEEE 802.11 (Standard)
Internet telephony |
| Soggetto genere / forma | Electronic books. |
| ISBN | 1-58053-678-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Voice over 802.11; Contents vii; 1 Overview of Vo802.11 1; 2 802.11: Alternative Access 5; 3 Voice over Internet Protocol 25; 4 Switching TDM and VoIP Networks 49; 5 Objections to Vo802.11 77; 6 Vo802.11: Range Is a Matter of Engineering 83; 7 Security and Vo802.11 97; 8 Objections Due to Interference and QoS on Vo802.11 Wireless Networks 129; 9 Engineering Vo802.11 Networks for Maximum QoS 155; 10 Scalability in Wireless VoIP Networks 171; 11 Vo802.11 Reliability 183; 12 Vo802.11 Features and Applications 193; 13 Regulatory Considerations for Vo802.11 Networks 207
14 Economics of Vo802.11 Networks 21715 Conclusion: Vo802.11 Is the Future of Voice Communications 233; About the Author 247; Index 249 |
| Record Nr. | UNINA-9910455925603321 |
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Ohrtman Frank
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| Boston : , : Artech House, , ©2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Voice over 802.11 / / Frank Ohrtman
| Voice over 802.11 / / Frank Ohrtman |
| Autore | Ohrtman Frank |
| Pubbl/distr/stampa | Boston : , : Artech House, , ©2004 |
| Descrizione fisica | 1 online resource (270 p.) |
| Disciplina | 621.382/12 |
| Collana | Artech House telecommunications library |
| Soggetto topico |
IEEE 802.11 (Standard)
Internet telephony |
| ISBN | 1-58053-678-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Voice over 802.11; Contents vii; 1 Overview of Vo802.11 1; 2 802.11: Alternative Access 5; 3 Voice over Internet Protocol 25; 4 Switching TDM and VoIP Networks 49; 5 Objections to Vo802.11 77; 6 Vo802.11: Range Is a Matter of Engineering 83; 7 Security and Vo802.11 97; 8 Objections Due to Interference and QoS on Vo802.11 Wireless Networks 129; 9 Engineering Vo802.11 Networks for Maximum QoS 155; 10 Scalability in Wireless VoIP Networks 171; 11 Vo802.11 Reliability 183; 12 Vo802.11 Features and Applications 193; 13 Regulatory Considerations for Vo802.11 Networks 207
14 Economics of Vo802.11 Networks 21715 Conclusion: Vo802.11 Is the Future of Voice Communications 233; About the Author 247; Index 249 |
| Record Nr. | UNINA-9910780486003321 |
|
Ohrtman Frank
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||
| Boston : , : Artech House, , ©2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
