Practical Asterisk 1.4 and 1.6

Practical Asterisk 1.4 and 1.6

Using the open source Asterisk platform, you can deploy a state-of-the-art VoIP PBX on a low-cost PC or server for a fraction of the cost of conventional PBX systems. The only drawback to Asterisk is its notoriously poor documentation. Practical Asterisk 1.4 and 1.6 is the solution to that problem....

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Detalles Bibliográficos
Otros Autores: Wintermeyer, Stefan Author (author), Bosch, Stephen Contributor (contributor)
Formato: Libro electrónico
Idioma:Inglés
Publicado: [Place of publication not identified] Addison Wesley 2010
Edición:1st edition
Materias:
Asterisk (Computer file)
Internet telephony > Private branch exchanges
Telephone
Electrical & Computer Engineering
Telecommunications
Engineering & Applied Sciences
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009629032106719
Tabla de Contenidos:
  • Cover
  • Contents
  • Foreword
  • Preface
  • Acknowledgments
  • About the Authors
  • Chapter 1 How to Get the Most Out of This Book
  • 1.1 What Is Asterisk?
  • 1.2 Who Should Read This Book?
  • 1.2.1 The Beginner
  • 1.2.2 The Journeyman
  • 1.2.3 The Expert
  • 1.3 Updates and Versions of the Book
  • 1.4 Reader Contributions and Feedback
  • 1.5 Additional Resources
  • Chapter 2 Installation and "Hello World
  • 2.1 Installing Asterisk on the Server
  • 2.2 Calling "Hello World" from the CLI
  • 2.2.1 Configuring Asterisk
  • 2.2.2 Starting Asterisk and Calling "Hello World
  • 2.2.3 Stopping Asterisk
  • 2.3 Calling "Hello World" with a SIP Phone
  • 2.3.1 Configuring the SIP Phone and sip.conf
  • 2.3.2 Starting Asterisk and the Phone
  • 2.4 Building a Minimal Phone System with Two SIP Phones
  • 2.4.1 Configuring Voicemail
  • 2.5 Rights Administration with Contexts
  • 2.5.1 The Originating Context
  • 2.5.2 Call Destination: Contexts in extensions.conf
  • 2.6 Calls to and from the Public Switched Telephone Network
  • 2.6.1 Calling the PSTN
  • 2.6.2 Taking Calls from the PSTN
  • Chapter 3 Dialplan Fundamentals
  • 3.1 Contexts
  • 3.2 Extensions
  • 3.2.1 Fundamental Applications
  • 3.2.2 Priorities
  • 3.3 Pattern Matching
  • 3.3.1 Pattern Elements
  • 3.3.2 Testing a Pattern Using dialplan show
  • 3.3.3 Pattern-Matching Order
  • 3.4 Include Statements
  • 3.4.1 Order of Execution When Using Include Statements
  • 3.4.2 Time-Conditional Include Statements
  • 3.5 The {EXTEN} Variable and the {CALLERID(num)} Function
  • 3.5.1 {EXTEN}
  • 3.5.2 {CALLERID(num)}
  • Chapter 4 Case Study: A Typical Business Telephone System
  • 4.1 The Numbering Plan
  • 4.2 Choosing the Infrastructure
  • 4.2.1 Network
  • 4.2.2 Server Hardware
  • 4.3 Base Configuration
  • 4.3.1 A sip.conf for 100 Users
  • 4.3.2 The Dialplan
  • 4.4 What Next?
  • Chapter 5 Dialplan Programming.
  • 5.1 Programming "How-To
  • 5.1.1 Program Structure
  • 5.1.2 Using Set()
  • 5.1.3 Labels and Goto()
  • 5.1.4 While() Loops
  • 5.1.5 GotoIf() Conditional
  • 5.1.6 Gosub() Subroutines
  • 5.2 Variables
  • 5.2.1 Expanding Variables in an Extension
  • 5.2.2 General Considerations
  • 5.2.3 Defining Global Variables in extensions.conf
  • 5.2.4 Defining Variables with Set()
  • 5.2.5 Inheritance of Channel Variables
  • 5.2.6 System Channel Variables
  • 5.2.7 Manipulating Variables
  • 5.3 Special Extensions
  • 5.3.1 The h Extension
  • 5.3.2 The i Extension
  • 5.3.3 The o and a Extensions
  • 5.3.4 The t and T Extensions
  • 5.3.5 The s Extension
  • 5.4 Macros
  • 5.5 Deprecated Features
  • Chapter 6 Asterisk Extension Language
  • 6.1 CLI Commands for AEL
  • 6.2 aelparse
  • 6.3 Comparing extensions.conf with extensions.ael
  • 6.3.1 Line Termination
  • 6.3.2 Contexts, Extensions, and Priorities
  • 6.3.3 Comments
  • 6.3.4 Includes
  • 6.3.5 Global Variables
  • 6.3.6 Expressions and Variable Assignment
  • 6.3.7 Labels, goto, and jump
  • 6.3.8 Conditionals
  • 6.3.9 Loops
  • 6.3.10 Macros
  • 6.3.11 Hints
  • 6.3.12 Filtering by Caller ID
  • 6.4 Choosing between extensions.ael and extensions.conf
  • Chapter 7 Protocols
  • 7.1 Network Protocols
  • 7.1.1 Transmission Control Protocol
  • 7.1.2 User Datagram Protocol
  • 7.2 Channels
  • 7.3 Peers, Users, and Friends
  • 7.4 IAX Versus SIP
  • Chapter 8 Making Connections
  • 8.1 Codecs
  • 8.1.1 What Does a Codec Do?
  • 8.1.2 Performance
  • 8.1.3 Configuring Codecs
  • 8.1.4 Commonly Used Codecs
  • 8.1.5 Bandwidth and Trunking
  • 8.2 Integrated Services Digital Network
  • 8.2.1 ISDN Basics
  • 8.2.2 Choosing an ISDN Card
  • 8.2.3 Media Gateways
  • 8.3 Analog Telephony
  • 8.3.1 Connecting Analog Devices
  • 8.3.2 Analog Telephone Adapter
  • Chapter 9 Voicemail
  • 9.1 Example Implementations
  • 9.1.1 An Example Home System.
  • 9.1.2 An Example Business System
  • 9.3 Dialplan Applications
  • 9.3.1 VoiceMail
  • 9.3.2 VoiceMailMain
  • 9.4 voicemail.conf
  • 9.4.1 [general]
  • 9.4.2 [zonemessages]
  • 9.4.3 Defined Contents
  • 9.4.4 Mailboxes
  • 9.5 Dial-by-Name
  • 9.6 Saving Passwords in voicemail.conf
  • Chapter 10 Interactive Voice Response
  • 10.1 A Simple IVR
  • 10.1.1 Timeouts
  • 10.1.2 Invalid Input (the i Extension)
  • 10.1.3 Pauses
  • 10.2 Multilevel IVR Systems
  • 10.3 Text-to-Speech
  • 10.3.1 Installing Cepstral TTS
  • Chapter 11 The Asterisk Database
  • 11.1 The Asterisk Database
  • 11.1.1 Writing Values to the Database
  • 11.1.2 Reading Values from the Database
  • 11.1.3 Deleting Values from the Database
  • 11.2 Database Access from the Command-Line Interface
  • 11.2.1 Writing Values to the Database
  • 11.2.2 Reading Values from the Database
  • 11.2.3 Deleting Values from the Database
  • 11.2.4 Displaying Database Contents
  • 11.3 Database Access from the System Shell
  • 11.4 Database Backup
  • 11.5 Application Example: Call Forwarding
  • 11.5.1 Simple Call Forwarding
  • 11.5.2 Complex Call Forwarding
  • 11.6 Application Example: Calling Card
  • Chapter 12 Queues
  • 12.1 Extension for Testing Hold Music
  • 12.2 musiconhold.conf
  • 12.3 queues.conf
  • 12.3.1 Announcement Sound Files
  • 12.4 agents.conf
  • 12.5 Extensions
  • 12.5.1 Sending Callers to the Queue
  • 12.5.2 AgentLogin() and AgentCallbackLogin()
  • 12.6 Log File
  • 12.6.1 Importing the Queue Log into MySQL
  • Chapter 13 Features
  • 13.1 Call Transfer
  • 13.1.1 Blind Transfer
  • 13.1.2 Attended Transfer
  • 13.2 Call Parking
  • Chapter 14 Conferencing
  • 14.1 Installation and the Timing Device
  • 14.2 Defining Conference Rooms
  • 14.3 Access from the Dialplan
  • 14.4 Announcing the Number of Conference Participants
  • Chapter 15 External Control of Asterisk
  • 15.1 asterisk -rx "command
  • 15.2 Call Files.
  • 15.2.1 Making a Call Automatically
  • 15.2.2 Parameters
  • 15.2.3 Hotel Wake-Up Call Example
  • 15.3 The Asterisk Manager Interface
  • 15.3.1 Creating an AMI User
  • 15.3.2 Talking to the AMI
  • 15.3.3 AMI Commands
  • 15.3.4 Getting the Number of Voicemail Messages with Expect
  • 15.3.5 StarAstAPI for PHP
  • 15.3.6 Getting the Number of Mailbox Messages with PHP
  • 15.4 The Asynchronous JavaScript Asterisk Manager
  • 15.4.1 Getting the Number of Voicemail Messages with AJAM
  • 15.4.2 AJAX and AJAM Considerations
  • Chapter 16 Asterisk Gateway Interface
  • 16.1 Data Streams
  • 16.1.1 STDIN
  • 16.1.2 STDOUT
  • 16.1.3 STDERR
  • 16.2 Examples in Various Programming Languages
  • 16.2.1 Perl
  • 16.2.2 PHP
  • 16.2.3 Ruby and Adhearsion
  • 16.2.4 Other Programming Languages
  • Chapter 17 Fax Server
  • 17.1 Installing IAXmodem
  • 17.1.1 Configuring IAXmodem
  • 17.1.2 Configuring faxgetty and Logging
  • 17.2 Installing Hylafax
  • 17.3 Receiving Faxes
  • 17.4 Sending Faxes
  • 17.5 Sending Received Faxes as E-Mail
  • Chapter 18 Busy Lamp Field, Hints, Pickup
  • 18.1 Controlling Indicators
  • 18.1.1 sip.conf
  • 18.1.2 Hints
  • 18.2 Subscriptions
  • 18.3 Configuring Telephones for BLF
  • 18.3.1 BLF on the Aastra 480i
  • 18.3.2 Polycom Soundpoint IP 501
  • 18.4 Testing the Hints
  • 18.5 Configuring Pickup
  • 18.5.1 extensions.conf for Pickup
  • 18.5.2 Configuring the Phones for Pickup
  • 18.5.3 Configuring Group Pickup
  • 18.6 Advanced BLF Indicators in Asterisk 1.6
  • Appendix A: Installation Instructions for Asterisk 1.4
  • A.1 LibPRI
  • A.2 DAHDI
  • A.3 Asterisk
  • Appendix B: Dialplan Applications
  • B.1 AbsoluteTimeout()
  • B.2 AddQueueMember()
  • B.3 ADSIProg()
  • B.4 AgentCallbackLogin()
  • B.5 AgentLogin()
  • B.6 AgentMonitorOutgoing()
  • B.7 AGI()
  • B.8 AlarmReceiver()
  • B.9 AMD()
  • B.10 Answer()
  • B.11 AppendCDRUserField()
  • B.12 Authenticate().
  • B.13 Background()
  • B.14 BackgroundDetect()
  • B.15 Bridge()
  • B.16 Busy()
  • B.17 ChangeMonitor()
  • B.18 ChanIsAvail()
  • B.19 ChannelRedirect()
  • B.20 ChanSpy()
  • B.21 CheckGroup()
  • B.22 ClearHash()
  • B.23 Congestion()
  • B.24 ContinueWhile()
  • B.25 ControlPlayback()
  • B.26 Curl()
  • B.27 Cut()
  • B.28 DAHDIBarge()
  • B.29 DAHDIRAS()
  • B.30 DAHDIScan()
  • B.31 DAHDISendKeypadFacility()
  • B.32 DateTime()
  • B.33 DBdel()
  • B.34 DBdeltree()
  • B.35 DBget()
  • B.36 DBput()
  • B.37 DeadAGI()
  • B.38 Dial()
  • B.39 Dictate()
  • B.40 DigitTimeout()
  • B.41 Directory()
  • B.42 DISA()
  • B.43 DumpChan()
  • B.44 DUNDiLookup()
  • B.45 EAGI()
  • B.46 Echo()
  • B.47 EndWhile()
  • B.48 EnumLookup()
  • B.49 Eval()
  • B.50 Exec()
  • B.51 ExecIf()
  • B.52 ExecIfTime()
  • B.53 ExitWhile()
  • B.54 ExtenSpy()
  • B.55 ExternalIVR()
  • B.56 FastAGI()
  • B.57 Festival()
  • B.58 Flash()
  • B.59 FollowMe()
  • B.60 ForkCDR()
  • B.61 GetCPEID()
  • B.62 GetGroupCount()
  • B.63 GetGroupMatchCount()
  • B.64 Gosub()
  • B.65 GosubIf()
  • B.66 Goto()
  • B.67 GotoIf()
  • B.68 GotoIfTime()
  • B.69 Hangup()
  • B.70 HasNewVoicemail()
  • B.71 HasVoicemail()
  • B.72 IAX2Provision()
  • B.73 ICES()
  • B.74 ImportVar()
  • B.75 Incomplete()
  • B.76 JabberSend()
  • B.77 JabberStatus()
  • B.78 KeepAlive()
  • B.79 Log()
  • B.80 LookupBlacklist()
  • B.81 LookupCIDName()
  • B.82 Macro()
  • B.83 MacroExclusive()
  • B.84 MacroExit()
  • B.85 MacroIf()
  • B.86 mailboxExists()
  • B.87 Math()
  • B.88 MD5()
  • B.89 MD5Check()
  • B.90 MeetMe()
  • B.91 MeetMeAdmin()
  • B.92 MeetMeChannelAdmin()
  • B.93 MeetMeCount()
  • B.94 Milliwatt()
  • B.95 MinivmAccMess()
  • B.96 MinivmDelete()
  • B.97 MinivmGreet()
  • B.98 MinivmNotify()
  • B.99 MinivmRecord()
  • B.100 MixMonitor()
  • B.101 Monitor()
  • B.102 Morsecode()
  • B.103 MP3Player()
  • B.104 MSet()
  • B.105 MusicOnHold()
  • B.106 NBScat().
  • B.107 NoCDR().

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