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Building Telephony Systems with OpenSIPS（Second Edition）

Flavio E. Goncalves Bogdan-Andrei Iancu 著

更新時間：2021-08-20 10:43:38

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IfyouwanttounderstandhowtobuildaSIPproviderfromscratchusingOpenSIPS,thenthisbookisidealforyou.ItisbeneficialforVoIPproviders,largeenterprises,anduniversities.ThisbookwillalsohelpreaderswhowereusingOpenSERbutarenowconfusedwiththenewOpenSIPS.TelephonyandLinuxexperiencewillbehelpfultogetthemostoutofthisbookbutisnotessential.PriorknowledgeofOpenSIPSisnotassumed.

目錄(139章)

倒序

封面
版權(quán)頁
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Support files eBooks discount offers and more
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Chapter 1. Introduction to SIP
Understanding the SIP architecture
The SIP registration process
Types of SIP servers
SIP request messages
The SIP dialog flow
SIP transactions and dialogs
Locating the SIP servers
SIP services
The SIP identity
The RTP protocol
Session Description Protocol
The SIP protocol and OSI model
The VoIP provider's big picture
Additional references
Summary
Chapter 2. Introducing OpenSIPS
Understanding OpenSIPS
OpenSIPS capabilities
Usage scenarios for OpenSIPS
Who's using OpenSIPS?
The OpenSIPS design
Summary
Chapter 3. Installing OpenSIPS
Hardware and software requirements
Generating OpenSIPS scripts
Working with the log files
Startup options
Summary
Chapter 4. OpenSIPS Language and Routing Concepts
An overview of OpenSIPS scripting
The OpenSIPS configuration file
Scripting capabilities
SIP routing in OpenSIPS
Summary
Chapter 5. Subscriber Management
Modules
The AUTH_DB module
The REGISTER authentication sequence
The INVITE authentication sequence
Digest authentication
Plaintext or prehashed passwords
Installing MySQL support
Analysis of the opensips.cfg file
The opensipsctl shell script
Using aliases
Handling the CANCEL requests and retransmissions
Lab – multidomain support
Lab – using aliases
IP authentication
Summary
Chapter 6. OpenSIPS Control Panel
The OpenSIPS control panel
Installation of OpenSIPS-CP
Configuring administrators
Adding and removing domains
Manage the access control lists or groups
Managing aliases
Managing subscribers
Managing permissions and IP authentication
Sending commands to the management interface
A generic table viewer
Summary
Chapter 7. Dialplan and Routing
The dialplan module
PSTN routing
Summary
Chapter 8. Managing Dialogs
Enabling the dialog module
Creating a dialog
Dialog matching
Dialog states
Dialog timeout and call disconnection
Dialog variables and flags
Profiling a dialog
Disconnecting calls
Topology hiding
Validating a dialog and fixing broken dialogs
Displaying the dialog statistics
SIP session timers
Summary
Chapter 9. Accounting
Progress check
Selecting a backend
Accounting using RADIUS
Lab – accounting using a FreeRADIUS server
Missing BYEs and CDRs
Summary
Chapter 10. SIP NAT Traversal
Port address translation
Where does NAT break SIP?
Types of NAT
Solving the SIP NAT traversal challenge
Building the solution
Understanding the solution flow
Summary
Chapter 11. Implementing SIP Services
Where to implement SIP services
Explaining RFC 5359 with SIP service examples
Playing announcements
Call forwarding
Implementing call forward on busy or unanswered
Debugging the routing script
Lab – testing the call forwarding feature
Call transfer
Summary
Chapter 12. Monitoring Tools
Built-in tools
Trace tools
Troubleshooting routing scripts
Summary
Chapter 13. OpenSIPS Security
Configuring a firewall for OpenSIPS
Preventing DNS and registration poisoning
Enabling Transport Layer Security
Enabling Secure Real-time Protocol
Enabling the anti-fraud module
Summary
Chapter 14. Advanced Topics with OpenSIPS 2.1
Asynchronous operations
Asynchronous support in the OpenSIPS script
Binary replication
TCP handling
Summary
Index 更新時間：2021-08-20 10:43:38

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Building Telephony Systems with OpenSIPS（Second Edition）