Asterisk: The Definitive Guide:
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Beijing [u.a.]
O'Reilly & Associates
2011
|
| Ausgabe: | 3. ed. |
| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | XXXIII, 695 S. graph. Darst. |
| ISBN: | 9780596517342 |
Internformat
MARC
| LEADER | 00000nam a2200000 c 4500 | ||
|---|---|---|---|
| 001 | BV039571861 | ||
| 003 | DE-604 | ||
| 005 | 20120305 | ||
| 007 | t | ||
| 008 | 110908s2011 d||| |||| 00||| eng d | ||
| 015 | |a 11,N01 |2 dnb | ||
| 016 | 7 | |a 1009167669 |2 DE-101 | |
| 020 | |a 9780596517342 |c Pb. : EUR 48.00 (DE) (freier Pr.) |9 978-0-596-51734-2 | ||
| 024 | 3 | |a 9780596517342 | |
| 035 | |a (OCoLC)724780190 | ||
| 035 | |a (DE-599)DNB1009167669 | ||
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| 100 | 1 | |a Van Meggelen, Jim |e Verfasser |0 (DE-588)131518461 |4 aut | |
| 245 | 1 | 0 | |a Asterisk: The Definitive Guide |c Jim van Meggelen ; Madsen, Leif ; Russell Bryant |
| 250 | |a 3. ed. | ||
| 264 | 1 | |a Beijing [u.a.] |b O'Reilly & Associates |c 2011 | |
| 300 | |a XXXIII, 695 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
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| 700 | 1 | |a Madsen, Leif |e Verfasser |4 aut | |
| 856 | 4 | 2 | |m X:MVB |q text/html |u http://deposit.dnb.de/cgi-bin/dokserv?id=3641050&prov=M&dok_var=1&dok_ext=htm |3 Inhaltstext |
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| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-024423387 | |
Datensatz im Suchindex
| _version_ | 1805145150571151360 |
|---|---|
| adam_text |
Table
of
Contents
Foreword
. xix
Preface
.xxiii
1.
ATelephonyRevolution
.1
Asterisk and VoIP: Bridging the Gap Between Traditional and Network
Telephony
2
The
Zapata
Telephony Project
2
Massive Change Requires Flexible Technology
3
Asterisk: The Hacker's PBX
4
Asterisk: The Professional's PBX
5
The Asterisk Community
5
The Asterisk Mailing Lists
6
Asterisk Wiki Sites
7
The IRC Channels
7
Asterisk User Groups
> 7
The Asterisk Documentation Project
8
The Business Case
8
Conclusion
8
2.
Asterisk Architecture
. 9
Modules
10
Applications
12
Bridging Modules
15
Call Detail Recording Modules
15
Channel Event Logging Modules
16
Channel Drivers
17
Codec Translators
18
Format Interpreters
18
Dialplan Functions
19
PBX Modules
21
Resource Modules
21
Addon
Modules
23
Test Modules
24
File Structure
24
Configuration
Files
24
Modules
24
The Resource
Library
25
The Spool
25
Logging
25
The Dialplan
25
Hardware
26
Asterisk
Versioning
26
Previous
Release
Methodologies
26
The New Release Methodology
27
Conclusion
28
3.
Installing Asterisk
.29
Installation Cheat Sheet
31
Distribution Installation
35
CentOS Server
35
Ubuntu Server
40
Software Dependencies
44
Downloading What You Need
46
Getting the Source via Subversion
47
Getting the Source via wget
47
How to Install It
48
LibPRI
48
DAHDI
49
Asterisk
50
Setting File Permissions
50
Base Configuration
51
Disable SELinux
51
Initial Configuration
52
make menuselect
59
Updating Asterisk
64
Common Issues
66
Upgrading Asterisk
68
Conclusion
69
4.
Initial Configuration Tasks
.71
asterisk.conf
71
The [directories] Section
71
The [options] Section
72
The [files] Section
75
The [compat] Section
75
modules.conf
75
The [modules] Section
76
indications.conf
77
musiconhold.conf
79
Converting Music to a Format That Works Best with Asterisk
79
Conclusion
81
5.
User Device Configuration
.83
Telephone Naming Concepts
84
Hardphones, Softphones, and AT As
86
Configuring Asterisk
87
How Channel Configuration Files Work with the Dialplan
88
sip.conf
89
iax.conf
95
Modifying Your Channel Configuration Files for Your Environment
98
Loading Your New Channel Configurations
98
The Asterisk
CLI
99
Testing to Ensure Your Devices Have Registered
99
Analog Phones
100
A Basic Dialplan to Test Your Devices
103
Under the Hood: Your First Call
104
Conclusion
105
6.
Dialplan Basics
. 107
Dialplan Syntax
107
Contexts
108
Extensions
110
Priorities
_
111
Applications
113
The AnswerO, PlaybackO, and HangupO Applications
113
A Simple Dialplan
115
Hello World
115
Building an Interactive Dialplan
116
The Goto(), BackgroundO, and WaitExtenO Applications
116
Handling Invalid Entries and Timeouts
119
Using the Dial() Application
119
Using Variables
122
Pattern Matching
125
Includes
129
Conclusion
130
7.
Outside
Connectivity. 131
TheBasicsof
Trunking
131
Fundamental Dialplan
for Outside Connectivity
132
PSTN Circuits
133
Traditional PSTN Trunks
134
Installing PSTN Trunks
136
VoIP
144
PSTN Termination
144
PSTN Origination
145
VoIP to VoIP
147
Configuring VoIP Trunks
147
Emergency Dialing
154
Conclusion
156
8.
Voicemail
.157
Comedian Mail
157
The [general] Section
158
The [zonemessages] Section
166
The Contexts Section
167
An Initial voicemail.conf File
168
Dialplan Integration
169
The VoiceMailO Dialplan Application
169
The VoiceMailMainO Dialplan Application
171
Creating a Dial-by-Name Directory
171
Using a Jitterbuffer
172
Storage Backends
172
Linux
Filesystem
172
ODBC
173
ШАР
173
Using Asterisk As a Standalone Voicemail Server
174
Integrating Asterisk into a SIP Environment As a Standalone
Voicemail Server
174
SMDI (Simplified Message Desk Interface)
177
Conclusion
179
9.
Internationalization
.181
Devices External to the Asterisk Server
182
PSTN Connectivity, DAHDI, Digium Cards, and Analog Phones
185
DAHDI Drivers
187
Asterisk
189
Caller ID
189
Language and/or Accent of Prompts
190
Time/Date Stamps and Pronunciation
191
Conclusion
—
Easy Reference Cheat Sheet
194
10.
Deeper into the Dialplan
.195
Expressions and Variable Manipulation
195
Basic Expressions
195
Operators
196
Dialplan Functions
198
Syntax
198
Examples of Dialplan Functions
198
Conditional Branching
199
The GotoIfO Application
199
Time-Based Conditional Branching with GotoIfTimeO
202
Macros
204
Defining Macros
204
Calling Macros from the Dialplan
205
Using Arguments in Macros
206
GoSubO
207
Defining Subroutines
207
Calling Subroutines from the Dialplan
208
Using Arguments in Subroutines
209
Returning from a Subroutine
210
Local Channels
211
Using the Asterisk Database (AstDB)
214
Storing Data in the AstDB
214
Retrieving Data from the AstDB
214
Deleting Data from the AstDB
215
Using the AstDB in the Dialplan
215
Handy Asterisk Features
217
ZapatellerO
■■ 217
Call Parking
217
Conferencing with MeetMeO
218
Conclusion
219
11.
Parking and Paging
.221
features.conf
221
The [general] section
222
The
[featuremap]
Section
225
The [applicationmap] Section
225
Application Map Grouping
227
Parking Lots
228
Overhead and "Underchin" Paging (a.k.a. Public Address)
229
Places to Send Your Pages
230
Zone Paging
235
Conclusion
236
12.
Internet
Call Routing
.237
DNS
and SIP URIs
237
The SIP
URI
238
SRV
Records
238
Accepting Calls to Your System
240
Dialing SIP URIs from Asterisk
246
ENUMandE.164
247
E.164andtheITU
247
ENUM
248
Asterisk and ENUM
249
ISN, ITAD,
and freenum.org
250
Got
ISN? 251
ITAD Subscriber Numbers
(ISNs) 251
Management of Internet Numbering
251
IP Telephony Administrative Domains (ITADs)
252
Create a DNS Entry for Your ITAD
253
Testing Your ITAD
254
Using
ISNs in
Your Asterisk System
254
Security and Identity
256
Toll Fraud
257
Spam over Internet Telephony (SPIT)
258
Distributed Denial of Service Attacks
258
Phishing
258
Security Is an Ongoing Process
259
Conclusion
259
13.
Automatic Call Distribution (ACD) Queues
.261
Creating a Simple ACD Queue
262
Queue Members
266
Controlling Queue Members via the
CLI
266
Controlling Queue Members with Dialplan Logic
268
Automatically Logging Into and Out of Multiple Queues
270
An Introduction to Device State
273
The queues.conf File
275
The agents.conf File
281
Advanced Queues
283
Priority Queue (Queue Weighting)
283
Queue Member Priority
284
Changing Penalties Dynamically (queuerules.conf)
285
Announcement Control
287
Overflow
291
Using Local Channels
293
Queue Statistics: The queue_log File
296
Conclusion
299
14.
DeviceStates
.301
Device States
301
Checking Device States
302
Extension States
303
Hints
303
Checking Extension States
304
SIP Presence
306
Asterisk Configuration
306
Using Custom Device States
307
An Example
308
Distributed Device States
309
Using OpenAIS
310
Using XMPP
314
Shared Line Appearances
318
Installing the SLA Applications
318
Configuration Overview
319
Key System Example with Analog Trunks
319
Key System Example with SIP Trunks
323
Shared Extension Example
325
Additional Configuration
327
Limitations
328
Conclusion
329
15.
The Automated Attendant
. 331
An Auto Attendant Is Not an IVR
331
Designing Your Auto Attendant
332
The Greeting
333
The Main Menu
334
Timeout
335
Invalid
335
Dial by Extension
336
Building Your Auto Attendant
336
Recording Prompts
336
The Dialplan
338
Delivering Incoming Calls to the Auto Attendant
339
IVR
340
Conclusion
340
16. Relational
Database
Integration. 341
Installing and Configuring PostgreSQL and MySQL
342
Installing PostgreSQL for CentOS
342
Installing PostgreSQL for Ubuntu
342
Installing MySQL for CentOS
343
Installing MySQL for Ubuntu
343
Configuring PostgreSQL
343
Configuring MySQL
345
Installing and Configuring ODBC
346
Configuring ODBC for PostgreSQL
347
Configuring ODBC for MySQL
349
Configuring ODBC for Microsoft SQL
350
Validating the ODBC Connector
351
Configuring res_odbc to Allow Asterisk to Connect Through ODBC
352
Managing Databases
353
Troubleshooting Database Issues
353
A Gentle Introduction to func_odbc
354
Getting Funky with func_odbc: Hot-Desking
354
Using Realtime
368
Static Realtime
368
Dynamic Realtime
371
Storing Call Detail Records (CDRs)
375
ODBC Voicemail
378
Creating the Large Object Type for PostgreSQL
379
ODBC Voicemail Storage Table Layout
381
Configuring voicemail.conf for ODBC Storage
382
Testing ODBC Voicemail
383
Conclusion
387
17.
Interactive Voice Response
.389
What Is IVR?
389
Components of an IVR
390
IVR Design Considerations
392
Do
392
Don't
392
Asterisk Modules for Building IVRs
392
CURL
392
func_odbc
392
AGI
393
AMI
393
A Simple IVR Using CURL
393
Installing the cURL Module
393
The Dialplan
394
A Prompt-Recording Application
394
Speech Recognition and Text-to-Speech
395
Text-to-Speech
395
Speech Recognition
396
Conclusion
396
18.
External Services
.397
Calendar Integration
398
Compiling Calendaring Support into Asterisk
398
Configuring Calendar Support for Asterisk
399
Triggering Calendar Reminders to Your Phone
402
Controlling Calls Based on Calendar Information
407
Writing Call Information to a Calendar
408
Conclusion
411
VoiceMail
IM AP
Integration
411
Compiling IMAP VoiceMail Support into Asterisk
412
Using XMPP Clabber) with Asterisk
418
Compiling Jabber Support into Asterisk
419
Jabber Dialplan Commands
419
chan_gtalk
425
Skype Integration
429
Installation of Skype for Asterisk
429
Using Skype for Asterisk
429
LDAP
Integration
434
Configuring OpenLDAP
435
Compiling
LDAP
Support into Asterisk
437
Configuring Asterisk for
LDAP
Support
437
Text-to-Speech Utilities
440
Festival
440
Cepstral
' 442
Conclusion
442
19.
Fax
.443
What Is a Fax?
443
Ways to Handle Faxes in Asterisk
443
spandsp
444
Obtaining spandsp
444
Compiling and Installing spandsp
444
Adding the spandsp Library to Your libpath
445
Recompiling Asterisk with spandsp Support
445
Disabling spandsp (Should You Want to Test Digium Fax)
446
Digium Fax For Asterisk
446
Obtaining Digium FFA
446
Disabling Digium FFA (Should You Want to Test spandsp)
446
Incoming Fax Handling
447
Fax to TIFF
447
Fax to Email
447
Fax Detection
448
Outgoing Fax Handling
449
Transmitting a Fax from Asterisk
450
File Format for Faxing
450
An Experiment in Email to Fax
451
Fax Pass-Through
454
Using Fax Buffers in chan.dahdi.conf
454
Conclusion
455
20.
Asterisk Manager Interface (AMI)
.457
Quick Start
457
AMI over TCP
458
AMI over HTTP
459
Configuration
460
manager.conf
460
http.conf
464
Protocol Overview
465
Message Encoding
466
AMI over HTTP
467
Development Frameworks
471
CSTA
471
Interesting Applications
472
AsteriskGUI
472
Flash Operator Panel
473
Conclusion
473
21.
Asterisk Gateway Interface
(AGI)
. 475
Quick Start
475
AGI
Variants
477
Process-Based
AGI
477
DeadAGI Is Dead
478
FastAGI—
AGI
over TCP
478
Async
AGI—AMI-Controlled AGI
479
AGI
Communication Overview
480
Setting Up an
AGI
Session
480
Commands and Responses
482
Ending an
AGI
Session
486
Development Frameworks
487
Conclusion
488
22.
Clustering
. 489
Traditional Call Centers
489
Hybrid Systems
490
Pure Asterisk, Nondistributed
492
Asterisk and Database Integration
493
Single Database
493
Replicated Databases
495
Asterisk and Distributed Device States
496
Distributing Device States over a LAN
496
Distributing Device States over a WAN
497
Multiple Queues, Multiple Sites
499
Conclusion
501
23.
Distributed Universal Number Discovery (DUNDi)
.503
How Does DUNDi Work?
503
The
dundi.
conf File
505
Configuring Asterisk for Use with DUNDi
507
General Configuration
507
Initial DUNDi Peer Definition
509
Creating Mapping Contexts
510
Using Mapping Contexts with Peers
512
Allowing Remote Connections
514
Controlling Responses
516
Performing Lookups from the Dialplan
519
Conclusion
522
24.
System Monitoring and Logging
.523
logger.conf
„ 523
Reviewing Asterisk Logs
525
Logging to the Linux syslog Daemon
526
Verifying Logging
527
Call Detail Records
527
CDR Contents
527
Dialplan Applications
529
cdr.conf
529
Backends
530
Example Call Detail Records
536
Caveats
537
CEL
(Channel Event Logging)
537
Channel Event Types
537
Channel Event Contents
539
Dialplan Applications
540
cel.conf
540
Backends
540
Example Channel Events
546
SNMP
551
Installing the
SNMP
Module for Asterisk
551
Configuring
SNMP
for Asterisk Using OpenNMS
552
Monitoring Asterisk with OpenNMS
558
Conclusion
559
25.
Web Interfaces
.561
Flash Operator Panel
562
Queue Status and Reporting
562
Queue Status Display
563
Queue Reporting
563
Call Detail Records
563
A2Billing
564
Conclusion
564
26.
Security
.565
Scanning for Valid Accounts
565
Authentication Weaknesses
567
Fail2ban
567
Installation
568
Configuration
569
Encrypted Media
571
Dialplan Vulnerabilities
571
Securing Asterisk Network APIs
572
IAX2 Denial of Service
573
Other Risk Mitigation
574
Resources
575
Conclusion
—
A Better Idiot
576
27.
Asterisk: A Future for Telephony
.577
The Problems with Traditional Telephony
577
Closed Thinking
578
Limited Standards Compliancy
578
Slow Release Cycles
579
Refusing to Let Go of the Past and Embrace the Future
579
Paradigm Shift
580
The Promise of Open Source Telephony
580
The Itch That Asterisk Scratches
580
Open Architecture
581
Standards Compliance
582
Lightning-Fast Response to New Technologies
582
Passionate Community
582
Some Things That Are Now Possible
582
The Future of Asterisk
586
Speech Processing
587
High-Fidelity Voice
588
Video
588
Wireless
589
Unified Messaging
590
Peering
590
Challenges
591
Opportunities
594
A. Understanding Telephony
.597
B. Protocols for VoIP
.617
С
Preparing a System for Asterisk
. 639
Index
.663 |
| any_adam_object | 1 |
| author | Van Meggelen, Jim Bryant, Leif Russell Madsen, Leif |
| author_GND | (DE-588)131518461 |
| author_facet | Van Meggelen, Jim Bryant, Leif Russell Madsen, Leif |
| author_role | aut aut aut |
| author_sort | Van Meggelen, Jim |
| author_variant | m j v mj mjv l r b lr lrb l m lm |
| building | Verbundindex |
| bvnumber | BV039571861 |
| classification_rvk | ST 273 |
| ctrlnum | (OCoLC)724780190 (DE-599)DNB1009167669 |
| dewey-full | 004.695 |
| dewey-hundreds | 000 - Computer science, information, general works |
| dewey-ones | 004 - Computer science |
| dewey-raw | 004.695 |
| dewey-search | 004.695 |
| dewey-sort | 14.695 |
| dewey-tens | 000 - Computer science, information, general works |
| discipline | Informatik |
| edition | 3. ed. |
| format | Book |
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| id | DE-604.BV039571861 |
| illustrated | Illustrated |
| indexdate | 2024-07-21T00:09:26Z |
| institution | BVB |
| isbn | 9780596517342 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024423387 |
| oclc_num | 724780190 |
| open_access_boolean | |
| owner | DE-573 |
| owner_facet | DE-573 |
| physical | XXXIII, 695 S. graph. Darst. |
| publishDate | 2011 |
| publishDateSearch | 2011 |
| publishDateSort | 2011 |
| publisher | O'Reilly & Associates |
| record_format | marc |
| spelling | Van Meggelen, Jim Verfasser (DE-588)131518461 aut Asterisk: The Definitive Guide Jim van Meggelen ; Madsen, Leif ; Russell Bryant 3. ed. Beijing [u.a.] O'Reilly & Associates 2011 XXXIII, 695 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Asterisk Software (DE-588)7523933-4 gnd rswk-swf Internettelefonie (DE-588)4770362-3 gnd rswk-swf Asterisk Software (DE-588)7523933-4 s Internettelefonie (DE-588)4770362-3 s DE-604 Bryant, Leif Russell Verfasser aut Madsen, Leif Verfasser aut X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3641050&prov=M&dok_var=1&dok_ext=htm Inhaltstext Digitalisierung UB Passau application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024423387&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Van Meggelen, Jim Bryant, Leif Russell Madsen, Leif Asterisk: The Definitive Guide Asterisk Software (DE-588)7523933-4 gnd Internettelefonie (DE-588)4770362-3 gnd |
| subject_GND | (DE-588)7523933-4 (DE-588)4770362-3 |
| title | Asterisk: The Definitive Guide |
| title_auth | Asterisk: The Definitive Guide |
| title_exact_search | Asterisk: The Definitive Guide |
| title_full | Asterisk: The Definitive Guide Jim van Meggelen ; Madsen, Leif ; Russell Bryant |
| title_fullStr | Asterisk: The Definitive Guide Jim van Meggelen ; Madsen, Leif ; Russell Bryant |
| title_full_unstemmed | Asterisk: The Definitive Guide Jim van Meggelen ; Madsen, Leif ; Russell Bryant |
| title_short | Asterisk: The Definitive Guide |
| title_sort | asterisk the definitive guide |
| topic | Asterisk Software (DE-588)7523933-4 gnd Internettelefonie (DE-588)4770362-3 gnd |
| topic_facet | Asterisk Software Internettelefonie |
| url | http://deposit.dnb.de/cgi-bin/dokserv?id=3641050&prov=M&dok_var=1&dok_ext=htm http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024423387&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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