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Biblioteca

MARC Lista (tabellare)
Asterisk hacking : toolkit and liveCD / Benjamin Jackson, Champ Clark III ; Larry Chaffin and Johnny Long, technical editors
Asterisk hacking : toolkit and liveCD / Benjamin Jackson, Champ Clark III ; Larry Chaffin and Johnny Long, technical editors
Autore Jackson, Benjamin
Pubbl/distr/stampa Burlington, MA : Syngress, c2007
Descrizione fisica xii, 253 p. : ill. ; 24 cm. + 1 CD-ROM
Disciplina 004.695
Altri autori (Persone) Clark, Champ, III.author
Soggetto topico Internet telephony
ISBN 9781597491518
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISALENTO-991001896339707536
Jackson, Benjamin  
Burlington, MA : Syngress, c2007
Materiale a stampa
Lo trovi qui: Univ. del Salento
Opac: Controlla la disponibilità qui
Building enterprise ready telephony systems with sipXecs 4.0 [[electronic resource] ] : leveraging open source VoIP for a rock-solid communications system / / Michael W. Picher
Building enterprise ready telephony systems with sipXecs 4.0 [[electronic resource] ] : leveraging open source VoIP for a rock-solid communications system / / Michael W. Picher
Autore Picher Michael W
Pubbl/distr/stampa Birmingham, U.K., : Packt Publishing, 2009
Descrizione fisica 1 online resource (445 p.)
Disciplina 004.695
Collana From technologies to solutions
Soggetto topico Internet telephony
Telephone systems
Soggetto genere / forma Electronic books.
ISBN 1-282-24538-4
1-84719-681-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Building Enterprise-Ready Telephony Systems with sipXecs 4.0; Building Enterprise-Ready Telephony Systems with sipXecs 4.0; Credits; About the Author; About the Reviewer; Preface; What this book covers; What you need for this book; Who this book is for; Conventions; Reader feedback; Customer support; Errata; Piracy; Questions; 1. Introduction to Telephony Concepts and sipXecs; Traditional phone system concepts; Telecommunications provider interface; Telephones on a traditional phone system; Voicemail systems; Call routing logic; Calling functions and features; Call hold; Call park orbits
Call pickupCall transfer; Call forwarding; Speed dial; Direct Station Selection/Busy Lamp Field; Hunt groups; Automatic Call Distribution; Dial plans; Intercom; Paging; Conferencing; sipX Enterprise Communications System overview; The iPBX; Gateways; Telephones; sipXecs features; Voicemail; Auto Attendant; Music on Hold; Call park orbits; Page groups; Intercom; Conference server; Automatic call distribution; Device management; User management; User self-service portal; Time-based call forwarding; Localization; Internet calling and NAT traversal; Call detail records; Clustering; Summary
2. System Planning and Equipment SelectionSystem planning; Information gathering; Existing telecommunications connectivity; Demarcation point; Existing users and phones; Existing call flow; Day call flow example; Night call flow example; Departmental call flow example; Existing auto attendants; Existing hunt groups; Existing ACD queues; Special considerations; Paging; Cordless phones; Existing computer network; Equipment selection; Network equipment; Network switch connectivity; Quality of service; Virtual Local Area Network support; Powering the phones; Gigabit switches
Utilizing existing network equipmentServers; Gateways; Analog gateways; Digital gateways; Phones; Hard phones; Softphones; Wireless phones; SIP firewalls; Uninterruptable power supplies; Plan the installation; Extension planning; Users and phones; Define permissions for user groups; Call flow; Auto attendants; Hunt groups; ACD queues; Network planning; Physical network; Virtual network; Site preparations; Document additional network information; Summary; 3. Installing sipXecs; Complete cabling requirements; Complete network requirements; Installing sipXecs; High availability installation
Install and configure the distributed serverVerify DNS and DHCP operation; Single PBX testing; High availability PBX testing; Summary; 4. Configuring Users; Creating users; Extension pool; Internal extension length; Adding a user; Importing users; User groups; Advanced user configuration; Phantom users; Voicemail-only mailbox; Call routing phantom; Call routing phantom example; Summary; 5. Configuring Phones in sipXecs; Types of phones; Managed phones; Unmanaged phones; Phone groups; Phone firmware; Advanced phone configuration; Multiple lines on a phone; Multiple phones for a user
Multiple line appearances on a phone
Record Nr. UNINA-9910456658403321
Picher Michael W  
Birmingham, U.K., : Packt Publishing, 2009
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Building enterprise ready telephony systems with sipXecs 4.0 [[electronic resource] ] : leveraging open source VoIP for a rock-solid communications system / / Michael W. Picher
Building enterprise ready telephony systems with sipXecs 4.0 [[electronic resource] ] : leveraging open source VoIP for a rock-solid communications system / / Michael W. Picher
Autore Picher Michael W
Pubbl/distr/stampa Birmingham, U.K., : Packt Publishing, 2009
Descrizione fisica 1 online resource (445 p.)
Disciplina 004.695
Collana From technologies to solutions
Soggetto topico Internet telephony
Telephone systems
ISBN 1-282-24538-4
1-84719-681-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Building Enterprise-Ready Telephony Systems with sipXecs 4.0; Building Enterprise-Ready Telephony Systems with sipXecs 4.0; Credits; About the Author; About the Reviewer; Preface; What this book covers; What you need for this book; Who this book is for; Conventions; Reader feedback; Customer support; Errata; Piracy; Questions; 1. Introduction to Telephony Concepts and sipXecs; Traditional phone system concepts; Telecommunications provider interface; Telephones on a traditional phone system; Voicemail systems; Call routing logic; Calling functions and features; Call hold; Call park orbits
Call pickupCall transfer; Call forwarding; Speed dial; Direct Station Selection/Busy Lamp Field; Hunt groups; Automatic Call Distribution; Dial plans; Intercom; Paging; Conferencing; sipX Enterprise Communications System overview; The iPBX; Gateways; Telephones; sipXecs features; Voicemail; Auto Attendant; Music on Hold; Call park orbits; Page groups; Intercom; Conference server; Automatic call distribution; Device management; User management; User self-service portal; Time-based call forwarding; Localization; Internet calling and NAT traversal; Call detail records; Clustering; Summary
2. System Planning and Equipment SelectionSystem planning; Information gathering; Existing telecommunications connectivity; Demarcation point; Existing users and phones; Existing call flow; Day call flow example; Night call flow example; Departmental call flow example; Existing auto attendants; Existing hunt groups; Existing ACD queues; Special considerations; Paging; Cordless phones; Existing computer network; Equipment selection; Network equipment; Network switch connectivity; Quality of service; Virtual Local Area Network support; Powering the phones; Gigabit switches
Utilizing existing network equipmentServers; Gateways; Analog gateways; Digital gateways; Phones; Hard phones; Softphones; Wireless phones; SIP firewalls; Uninterruptable power supplies; Plan the installation; Extension planning; Users and phones; Define permissions for user groups; Call flow; Auto attendants; Hunt groups; ACD queues; Network planning; Physical network; Virtual network; Site preparations; Document additional network information; Summary; 3. Installing sipXecs; Complete cabling requirements; Complete network requirements; Installing sipXecs; High availability installation
Install and configure the distributed serverVerify DNS and DHCP operation; Single PBX testing; High availability PBX testing; Summary; 4. Configuring Users; Creating users; Extension pool; Internal extension length; Adding a user; Importing users; User groups; Advanced user configuration; Phantom users; Voicemail-only mailbox; Call routing phantom; Call routing phantom example; Summary; 5. Configuring Phones in sipXecs; Types of phones; Managed phones; Unmanaged phones; Phone groups; Phone firmware; Advanced phone configuration; Multiple lines on a phone; Multiple phones for a user
Multiple line appearances on a phone
Record Nr. UNINA-9910780785503321
Picher Michael W  
Birmingham, U.K., : Packt Publishing, 2009
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Building enterprise ready telephony systems with sipXecs 4.0 : leveraging open source VoIP for a rock-solid communications system / / Michael W. Picher
Building enterprise ready telephony systems with sipXecs 4.0 : leveraging open source VoIP for a rock-solid communications system / / Michael W. Picher
Autore Picher Michael W
Edizione [1st ed.]
Pubbl/distr/stampa Birmingham, U.K., : Packt Publishing, 2009
Descrizione fisica 1 online resource (445 p.)
Disciplina 004.695
Collana From technologies to solutions
Soggetto topico Internet telephony
Telephone systems
ISBN 1-282-24538-4
1-84719-681-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Building Enterprise-Ready Telephony Systems with sipXecs 4.0; Building Enterprise-Ready Telephony Systems with sipXecs 4.0; Credits; About the Author; About the Reviewer; Preface; What this book covers; What you need for this book; Who this book is for; Conventions; Reader feedback; Customer support; Errata; Piracy; Questions; 1. Introduction to Telephony Concepts and sipXecs; Traditional phone system concepts; Telecommunications provider interface; Telephones on a traditional phone system; Voicemail systems; Call routing logic; Calling functions and features; Call hold; Call park orbits
Call pickupCall transfer; Call forwarding; Speed dial; Direct Station Selection/Busy Lamp Field; Hunt groups; Automatic Call Distribution; Dial plans; Intercom; Paging; Conferencing; sipX Enterprise Communications System overview; The iPBX; Gateways; Telephones; sipXecs features; Voicemail; Auto Attendant; Music on Hold; Call park orbits; Page groups; Intercom; Conference server; Automatic call distribution; Device management; User management; User self-service portal; Time-based call forwarding; Localization; Internet calling and NAT traversal; Call detail records; Clustering; Summary
2. System Planning and Equipment SelectionSystem planning; Information gathering; Existing telecommunications connectivity; Demarcation point; Existing users and phones; Existing call flow; Day call flow example; Night call flow example; Departmental call flow example; Existing auto attendants; Existing hunt groups; Existing ACD queues; Special considerations; Paging; Cordless phones; Existing computer network; Equipment selection; Network equipment; Network switch connectivity; Quality of service; Virtual Local Area Network support; Powering the phones; Gigabit switches
Utilizing existing network equipmentServers; Gateways; Analog gateways; Digital gateways; Phones; Hard phones; Softphones; Wireless phones; SIP firewalls; Uninterruptable power supplies; Plan the installation; Extension planning; Users and phones; Define permissions for user groups; Call flow; Auto attendants; Hunt groups; ACD queues; Network planning; Physical network; Virtual network; Site preparations; Document additional network information; Summary; 3. Installing sipXecs; Complete cabling requirements; Complete network requirements; Installing sipXecs; High availability installation
Install and configure the distributed serverVerify DNS and DHCP operation; Single PBX testing; High availability PBX testing; Summary; 4. Configuring Users; Creating users; Extension pool; Internal extension length; Adding a user; Importing users; User groups; Advanced user configuration; Phantom users; Voicemail-only mailbox; Call routing phantom; Call routing phantom example; Summary; 5. Configuring Phones in sipXecs; Types of phones; Managed phones; Unmanaged phones; Phone groups; Phone firmware; Advanced phone configuration; Multiple lines on a phone; Multiple phones for a user
Multiple line appearances on a phone
Record Nr. UNINA-9910813295503321
Picher Michael W  
Birmingham, U.K., : Packt Publishing, 2009
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Building telephony systems with OpenSER [[electronic resource] ] : a step-by-step guide to building a high-performance telephony system / / Flavio E. Goncalves
Building telephony systems with OpenSER [[electronic resource] ] : a step-by-step guide to building a high-performance telephony system / / Flavio E. Goncalves
Autore Goncalves Flavio E. <1966->
Pubbl/distr/stampa Birmingham, : Packt, 2008
Descrizione fisica 1 online resource (325 p.)
Disciplina 004.695
Soggetto topico Computer network protocols
Internet telephony
Soggetto genere / forma Electronic books.
ISBN 1-281-34806-6
9786611348069
1-84719-374-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Table of Contents; Preface; Chapter 1: Introduction to SIP; SIP Basics; SIP Proxy in the Context of a VOIP Provider; SIP Operation Theory; SIP Registration Process; Server Operating as a SIP Proxy; Server Operating as a SIP Redirect; Basic Messages; SIP Dialog Flow; SIP Transactions and Dialogs; The RTP Protocol; Codecs; DTMF-Relay; Real Time Control Protocol (RTCP); Session Description Protocol (SDP); The SIP Protocol and the OSI Model; The VoIP Provider ""Big Picture""; SIP Proxy; User, Administration, and Provisioning Portal; PSTN Gateway; Media Server
Media Proxy or RTP Proxy for Nat TraversalRADIUS Accounting; CDRTool Rating; Monitoring Tools; Where You Can Find More Information; Summary; Chapter 2: The SIP Express Router; Where Are We?; What is the SIP Express Router?; What Software to Use, SER or OpenSER?; Usage Scenarios; OpenSER Architecture; Core and Modules; Sections of the File openser.cfg; Sessions, Dialogs, and Transactions; openser.cfg Message Processing; SIP Proxy-Expected Behavior; Stateful Operation; Differences between Strict Routing and Loose Routing; Understanding SIP and RTP; Summary; Chapter 3: OpenSER Installation
Hardware RequirementsSoftware Requirements; Lab-Installing Linux for OpenSER; Downloading and Installing OpenSER v1.2; Lab-Running OpenSER at the Linux Boot; OpenSER v1.2 Directory Structure; Configuration Files (etc/openser); Modules (/lib/openser/modules); Binaries (/sbin); Log Files; Startup Options; Summary; Chapter 4: OpenSER Standard Configuration; Where Are We?; Analyzing the Standard Configuration; Using the Standard Configuration; Routing Basics; Transactions and Dialogs; Initial and Sequential Requests; Routing in a Context of a Transaction; Routing in the Context of a Dialog
Lab-Tracking a Complete DialogLab-Running Stateless; Lab-Disabling record-route; Summary; Chapter 5: Adding Authentication with MySQL; Where Are We?; The AUTH_DB Module; The REGISTER Authentication Sequence; Register Sequence (Packets Captured by ngrep); Register Sequence Code Snippet; The INVITE Authentication Sequence; INVITE Sequence Packet Capture; Digest Authentication; WWW-Authenticate Response Header; The Authorization Request Header; QOP-Quality of Protection; Installing MySQL Support; openser.cfg File Analysis; The Openserctl Shell Script; Openserctl Resource File; Openserctlrc File
Using OpenSER with AuthenticationEnhancing the Script; Managing Multiple Domains; Alternative Routes; The Functions check_to() and check_from(); Using Aliases; Handling CANCEL requests and retransmissions; Full Script with All the Resources Above; Lab-Enhancing the Security; Lab-Using Aliases; Summary; Chapter 6: Building the User Portal with SerMyAdmin; SerMyAdmin; Lab-Installing SerMyAdmin; Basic Tasks; Registering a New User; Approving a New User; User Management; Domain Management; Interface Customization; Summary; Chapter 7: Connectivity to the PSTN; Where Are We?
Requests Sent to the Gateway
Record Nr. UNINA-9910454601103321
Goncalves Flavio E. <1966->  
Birmingham, : Packt, 2008
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Building telephony systems with OpenSER [[electronic resource] ] : a step-by-step guide to building a high-performance telephony system / / Flavio E. Goncalves
Building telephony systems with OpenSER [[electronic resource] ] : a step-by-step guide to building a high-performance telephony system / / Flavio E. Goncalves
Autore Goncalves Flavio E. <1966->
Pubbl/distr/stampa Birmingham, : Packt, 2008
Descrizione fisica 1 online resource (325 p.)
Disciplina 004.695
Soggetto topico Computer network protocols
Internet telephony
ISBN 1-281-34806-6
9786611348069
1-84719-374-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Table of Contents; Preface; Chapter 1: Introduction to SIP; SIP Basics; SIP Proxy in the Context of a VOIP Provider; SIP Operation Theory; SIP Registration Process; Server Operating as a SIP Proxy; Server Operating as a SIP Redirect; Basic Messages; SIP Dialog Flow; SIP Transactions and Dialogs; The RTP Protocol; Codecs; DTMF-Relay; Real Time Control Protocol (RTCP); Session Description Protocol (SDP); The SIP Protocol and the OSI Model; The VoIP Provider ""Big Picture""; SIP Proxy; User, Administration, and Provisioning Portal; PSTN Gateway; Media Server
Media Proxy or RTP Proxy for Nat TraversalRADIUS Accounting; CDRTool Rating; Monitoring Tools; Where You Can Find More Information; Summary; Chapter 2: The SIP Express Router; Where Are We?; What is the SIP Express Router?; What Software to Use, SER or OpenSER?; Usage Scenarios; OpenSER Architecture; Core and Modules; Sections of the File openser.cfg; Sessions, Dialogs, and Transactions; openser.cfg Message Processing; SIP Proxy-Expected Behavior; Stateful Operation; Differences between Strict Routing and Loose Routing; Understanding SIP and RTP; Summary; Chapter 3: OpenSER Installation
Hardware RequirementsSoftware Requirements; Lab-Installing Linux for OpenSER; Downloading and Installing OpenSER v1.2; Lab-Running OpenSER at the Linux Boot; OpenSER v1.2 Directory Structure; Configuration Files (etc/openser); Modules (/lib/openser/modules); Binaries (/sbin); Log Files; Startup Options; Summary; Chapter 4: OpenSER Standard Configuration; Where Are We?; Analyzing the Standard Configuration; Using the Standard Configuration; Routing Basics; Transactions and Dialogs; Initial and Sequential Requests; Routing in a Context of a Transaction; Routing in the Context of a Dialog
Lab-Tracking a Complete DialogLab-Running Stateless; Lab-Disabling record-route; Summary; Chapter 5: Adding Authentication with MySQL; Where Are We?; The AUTH_DB Module; The REGISTER Authentication Sequence; Register Sequence (Packets Captured by ngrep); Register Sequence Code Snippet; The INVITE Authentication Sequence; INVITE Sequence Packet Capture; Digest Authentication; WWW-Authenticate Response Header; The Authorization Request Header; QOP-Quality of Protection; Installing MySQL Support; openser.cfg File Analysis; The Openserctl Shell Script; Openserctl Resource File; Openserctlrc File
Using OpenSER with AuthenticationEnhancing the Script; Managing Multiple Domains; Alternative Routes; The Functions check_to() and check_from(); Using Aliases; Handling CANCEL requests and retransmissions; Full Script with All the Resources Above; Lab-Enhancing the Security; Lab-Using Aliases; Summary; Chapter 6: Building the User Portal with SerMyAdmin; SerMyAdmin; Lab-Installing SerMyAdmin; Basic Tasks; Registering a New User; Approving a New User; User Management; Domain Management; Interface Customization; Summary; Chapter 7: Connectivity to the PSTN; Where Are We?
Requests Sent to the Gateway
Record Nr. UNINA-9910782703903321
Goncalves Flavio E. <1966->  
Birmingham, : Packt, 2008
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Building telephony systems with OpenSER : a step-by-step guide to building a high-performance telephony system / / Flavio E. Goncalves
Building telephony systems with OpenSER : a step-by-step guide to building a high-performance telephony system / / Flavio E. Goncalves
Autore Goncalves Flavio E. <1966->
Edizione [1st ed.]
Pubbl/distr/stampa Birmingham, : Packt, 2008
Descrizione fisica 1 online resource (325 p.)
Disciplina 004.695
Soggetto topico Computer network protocols
Internet telephony
ISBN 1-281-34806-6
9786611348069
1-84719-374-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Table of Contents; Preface; Chapter 1: Introduction to SIP; SIP Basics; SIP Proxy in the Context of a VOIP Provider; SIP Operation Theory; SIP Registration Process; Server Operating as a SIP Proxy; Server Operating as a SIP Redirect; Basic Messages; SIP Dialog Flow; SIP Transactions and Dialogs; The RTP Protocol; Codecs; DTMF-Relay; Real Time Control Protocol (RTCP); Session Description Protocol (SDP); The SIP Protocol and the OSI Model; The VoIP Provider ""Big Picture""; SIP Proxy; User, Administration, and Provisioning Portal; PSTN Gateway; Media Server
Media Proxy or RTP Proxy for Nat TraversalRADIUS Accounting; CDRTool Rating; Monitoring Tools; Where You Can Find More Information; Summary; Chapter 2: The SIP Express Router; Where Are We?; What is the SIP Express Router?; What Software to Use, SER or OpenSER?; Usage Scenarios; OpenSER Architecture; Core and Modules; Sections of the File openser.cfg; Sessions, Dialogs, and Transactions; openser.cfg Message Processing; SIP Proxy-Expected Behavior; Stateful Operation; Differences between Strict Routing and Loose Routing; Understanding SIP and RTP; Summary; Chapter 3: OpenSER Installation
Hardware RequirementsSoftware Requirements; Lab-Installing Linux for OpenSER; Downloading and Installing OpenSER v1.2; Lab-Running OpenSER at the Linux Boot; OpenSER v1.2 Directory Structure; Configuration Files (etc/openser); Modules (/lib/openser/modules); Binaries (/sbin); Log Files; Startup Options; Summary; Chapter 4: OpenSER Standard Configuration; Where Are We?; Analyzing the Standard Configuration; Using the Standard Configuration; Routing Basics; Transactions and Dialogs; Initial and Sequential Requests; Routing in a Context of a Transaction; Routing in the Context of a Dialog
Lab-Tracking a Complete DialogLab-Running Stateless; Lab-Disabling record-route; Summary; Chapter 5: Adding Authentication with MySQL; Where Are We?; The AUTH_DB Module; The REGISTER Authentication Sequence; Register Sequence (Packets Captured by ngrep); Register Sequence Code Snippet; The INVITE Authentication Sequence; INVITE Sequence Packet Capture; Digest Authentication; WWW-Authenticate Response Header; The Authorization Request Header; QOP-Quality of Protection; Installing MySQL Support; openser.cfg File Analysis; The Openserctl Shell Script; Openserctl Resource File; Openserctlrc File
Using OpenSER with AuthenticationEnhancing the Script; Managing Multiple Domains; Alternative Routes; The Functions check_to() and check_from(); Using Aliases; Handling CANCEL requests and retransmissions; Full Script with All the Resources Above; Lab-Enhancing the Security; Lab-Using Aliases; Summary; Chapter 6: Building the User Portal with SerMyAdmin; SerMyAdmin; Lab-Installing SerMyAdmin; Basic Tasks; Registering a New User; Approving a New User; User Management; Domain Management; Interface Customization; Summary; Chapter 7: Connectivity to the PSTN; Where Are We?
Requests Sent to the Gateway
Record Nr. UNINA-9910819260903321
Goncalves Flavio E. <1966->  
Birmingham, : Packt, 2008
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fondamenti di Voice over IP / Jonathan Davidson [et al.]
Fondamenti di Voice over IP / Jonathan Davidson [et al.]
Autore Davidson, Jonathan
Pubbl/distr/stampa [S. l.] : Pearson Education, c2008
Descrizione fisica xxvi, 390 p. : ill. ; 24 cm
Disciplina 004.695
Altri autori (Persone) Mukherjee, Sudipto
Kalidindi, Satish
Bhatia, Manoj
Peters, James
Soggetto topico Internet telephony
Computer network protocols
ISBN 9788871923826
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione ita
Record Nr. UNISALENTO-991000352689707536
Davidson, Jonathan  
[S. l.] : Pearson Education, c2008
Materiale a stampa
Lo trovi qui: Univ. del Salento
Opac: Controlla la disponibilità qui
Guide to voice and video over IP : for fixed and mobile Networks / / by Lingfen Sun, Is-Haka Mkwawa, Emmanuel Jammeh, Emmanuel Ifeachor
Guide to voice and video over IP : for fixed and mobile Networks / / by Lingfen Sun, Is-Haka Mkwawa, Emmanuel Jammeh, Emmanuel Ifeachor
Autore Sun Lingfen
Edizione [1st ed. 2013.]
Pubbl/distr/stampa London : , : Springer London : , : Imprint : Springer, , 2013
Descrizione fisica 1 online resource (269 pages)
Disciplina 004.695
Collana Computer Communications and Networks
Soggetto topico Computer communication systems
Computer Communication Networks
ISBN 1-4471-4905-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Introduction -- Speech Compression -- Video Compression -- Media Transport for VoIP -- VoIP Signalling – SIP -- VoIP Quality of Experience (QoE) -- IMS and Mobile VoIP -- Case Study 1: Building Up a VoIP System Based on Asterisk -- Case Study 2: VoIP Quality Analysis and Assessment -- Case Study 3: Mobile VoIP Applications and IMS.
Record Nr. UNINA-9910437569003321
Sun Lingfen  
London : , : Springer London : , : Imprint : Springer, , 2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Inter-asterisk exchange (IAX) deployment scenarios in SIP-enabled networks / / Mohamed Boucadair
Inter-asterisk exchange (IAX) deployment scenarios in SIP-enabled networks / / Mohamed Boucadair
Autore Boucadair Mohamed
Pubbl/distr/stampa Chichester, U.K. : , : Wiley, , 2009
Descrizione fisica 1 online resource (275 p.)
Disciplina 004.69/5
004.695
Collana Wiley series on communications networking & distributed systems
Soggetto topico Internet telephony
Computer network protocols
ISBN 1-282-01079-4
9786612010798
0-470-74218-6
0-470-74219-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Foreword -- Terminology and Definitions -- Acronyms and Abbreviations -- Acknowledgement -- 1 Introduction -- 1.1 General Introduction -- 1.2 On Voice over IP and Telephony over IP -- 1.3 Context -- 1.4 Enhancement Strategies to Solve SIP Issues -- 1.5 IAX: Towards Lightweight Telephony Architectures -- 1.6 IAX and Standardisation -- 1.7 Rationale -- 1.8 What This Book is Not -- 1.9 Structure of the Book -- 2 The IAX Protocol at a Glance -- 2.1 What Does IAX Stand For? -- 2.2 Is IAX Specific to the Asterisk Platform? -- 2.3 What is the Difference between IAX2 and IAX? -- 2.4 Why another New VoIP Protocol? -- 2.5 How Does IAX Solve VoIP Pains? -- 2.6 How is Calls Multiplexing Achieved? -- 2.7 And What About Demultiplexing? -- 2.8 What Port Number Does IAX Use? -- 2.9 What Transport Protocol Does IAX Use? -- 2.10 Is IAX a Reliable Protocol? -- 2.11 How Does IAX Ensure Reliability? -- 2.12 Is there an IAX Registration Procedure? -- 2.13 Does IAX Registration Differ from SIP Registration? -- 2.14 How Are Media Streams Transported in IAX? -- 2.15 Is CODEC Negotiation Supported by IAX? -- 2.16 Is On-Fly CODEC Change Possible During a Call? -- 2.17 IAX: a Path-Coupled or Decoupled Protocol? -- 2.18 Can IAX be Aware of the Status of the Network Load? -- 2.19 What About Security? -- 2.20 Could IAX Devices Be Managed? -- 2.21 Is Firmware Version Updating Supported by IAX? -- 2.22 Can IAX Be Extended to Offer New Features? -- 2.23 How is an IAX Resource Identified? -- 2.24 What Does an IAX URI Look Like? -- 2.25 Is it Possible to Set a Call Involving Several IAX Servers? -- 2.26 Is it Possible to Discover the Location of an IAX Resource? -- 2.27 What Is DUNDi? -- 2.28 What Is TRIP? -- 2.29 What Is ENUM? -- References -- Further Reading -- Part One: IAX Protocol Specifications -- 3 IAX Uniform Resource Identifier -- 3.1 Introduction -- 3.2 Format of IAX Uniform Resource Identifiers -- 3.3 Examples of IAX Uniform Resource Identifiers -- 3.4 Comparing IAX Uniform Resource Identifiers.
3.5 IAX Uniform Resource Identifiers and ENUM -- References -- Further Reading -- 4 IAX Frames -- 4.1 Introduction -- 4.2 Full Frames -- 4.3 Mini Frames -- 4.4 Meta Frames -- 4.5 Encrypted Frames -- 4.6 Conclusion -- References -- Further Reading -- 5 IAX Information Elements -- 5.1 Introduction -- 5.2 List of IAX Information Elements -- 5.3 Example of IAX Information Element Traces -- References -- Further Reading -- 6 IAX Messages -- 6.1 Introduction -- 6.2 Taxonomy of IAX Messages -- 6.3 IAX Requests/Responses -- 6.4 IAX Functional Categories -- 6.5 IAX Media Frames -- 6.6 IAX Reliable/Unreliable Messages -- References -- Further Reading -- 7 IAX Connectivity Considerations -- 7.1 Introduction -- 7.2 IAX Transport Protocol -- 7.3 IAX Port Number -- 7.4 IAX Call Multiplexing and Demultiplexing -- 7.5 IAX Reliability Mechanism -- 7.6 Authentication and Encryption -- 7.7 Conclusion -- References -- Further Reading -- 8 IAX Operations -- 8.1 Introduction -- 8.2 Provisioning and Firmware Download -- 8.3 Registration -- 8.4 Call Setup -- 8.5 Call Tear-Down -- 8.6 Call Monitoring -- 8.7 Call Optimisation -- 8.8 Conclusion -- References -- Further Reading -- Part Two: Discussion and Analysis -- 9 IAX and Advanced Services -- 9.1 Introduction -- 9.2 CODEC Negotiation -- 9.3 Video Sessions -- 9.4 Negotiation of Several Media Types in the Same IAX Session -- 9.5 Presence Services -- 9.6 Instant Messaging -- 9.7 Topology Hiding -- 9.8 Mobility -- 9.9 Miscellaneous -- 9.10 Conclusion -- References -- Further Reading -- 10 Multi-IAX Servers Environment -- 10.1 Introduction -- 10.2 Focus -- 10.3 Discovery of IAX Resources -- 10.4 Setting End-to-End Calls -- 10.5 Load Balancing -- 10.6 Path-Coupled and Path-Decoupled Discussion -- 10.7 Forking -- 10.8 Route Symmetry -- 10.9 Conclusion -- References -- 11 IAX and NAT Traversal -- 11.1 Introduction -- 11.2 Structure -- 11.3 NAT Types -- 11.4 IAX and NAT Traversal Discussion -- 11.5 Operational Considerations -- 11.6 Conclusion -- References.
Further Reading -- 12 IAX and Peer-to-Peer Deployment Scenarios -- 12.1 Introduction -- 12.2 Scope -- 12.3 A P2P Solution for Corporate Customers -- 12.4 Conclusion -- References -- Further Reading -- 13 IAX and IPv6 -- 13.1 Introduction -- 13.2 Context and Assumptions -- 13.3 Service Migration to IPv6 -- 13.4 Structure -- 13.5 The IP Address Exhaustion Problem -- 13.6 IPv6: a Long-Term Solution -- 13.7 Why IPv6 May Be Problematic for Telephony Signalling Protocols: the SIP Example -- 13.8 IAX: an IP Version-Agnostic Protocol? -- 13.9 Deployment of IAX Services in a 'Pure' IPv6 Environment -- 13.10 Heterogeneous Environment -- 13.11 Conclusion -- References -- Further Reading -- 14 IAX: Towards a Lightweight SBC? -- 14.1 Introduction -- 14.2 IP Telephony Administrative Domain -- 14.3 Deployment Scenarios -- 14.4 Deployment Contexts -- 14.5 Service Limitations Caused by SBCs -- 14.6 Functional Decomposition -- 14.7 Taxonomy of SBC Functions in an SIP Environment -- 14.8 Validity of these Functions in an IAX Architecture -- 14.9 Conclusion -- References -- Further Reading -- Part Three: Deployment Scenarios in SIP-Based Environments -- 15 Scenarios for the Deployment of IAX-Based Conversational Services -- 15.1 SIP Complications -- 15.2 Structure -- 15.3 Beyond the 'SIP-Centric' Era -- 15.4 Methodology -- 15.5 Overall Context -- 15.6 Architectural Requirements -- 15.7 Brief Comparison -- 15.8 Taxonomy -- 15.9 Introducing IAX into Operational Networks -- 15.10 Conclusion. / -- References -- 16 IAX in the Access Segment of SIP-Based Service Architectures -- 16.1 Introduction -- 16.2 A 'High-Level' Description of the Interworking Function -- 16.3 Examples of Call Flows -- 16.4 Bandwidth Optimisation: An Extension to SIP -- 16.5 Conclusion -- References -- 17 Validation Scenario -- 17.1 Overview -- 17.2 Configuring Asterisk Servers -- 17.3 Configuring the SIP Express Router (SER) -- 17.4 User Agent Configuration -- 17.5 Conclusion -- Further Reading -- Index.
Record Nr. UNINA-9910145827203321
Boucadair Mohamed  
Chichester, U.K. : , : Wiley, , 2009
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