Asterisk Tutorial

Welcome to the Asterisk Knowledge Base and Tutorial

External Services

External Services Asterisk is pretty nifty all by itself, but one of the most powerful, industry-changing, revolutionary aspects of Asterisk
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ODBC Voicemail Message Storage

ODBC Voicemail Message Storage Asterisk enables you to store voicemail inside the database using the ODBC connector. This is useful
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Storing Call Detail Records (CDR)

Storing Call Detail Records (CDR) Call detail records (CDR) contain information about calls that have passed through your Asterisk system.
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Managing Databases

Managing Databases While it isn’t within the scope of this book to teach you about how to manage your databases,
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Relational Database Integration

we are going to explore integrating some Asterisk features and functions into a database. There are several databases available for
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Shared Line Appearances

In Asterisk, Shared Line Appearances (SLA)—sometimes also referred to in the industry as Bridged Line Appearances (BLA)—can be used. This
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Device States I(Asterisk)

It is often useful to be able to determine the state of the devices that are attached to a telephone
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Internet Call Routing II

ISN, ITAD, and freenum.org The biggest shortcoming of ENUM is that it uses a numbering system that is not under
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Internet Call Routing I

One of the attractions of VoIP is the concept of avoiding the use of the PSTN altogether, and routing all
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Parking, Paging, and Conferencing(Asterisk)

In Asterisk, these two functionalities are exclusive to one another, and can be used independently of one another. Some businesses
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Deeper into the Dialplan II

Using the Asterisk Database (AstDB) Asterisk provides a powerful mechanism for storing values called the Asterisk database (AstDB). The AstDB
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Deeper into the Dialplan(Asterisk)

Expressions and Variable Manipulation As we begin our dive into the deeper aspects of dialplans, it is time to introduce
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Internationalization(Asterisk)

Telephony is one of those areas of life where, whether at home or at work, people do not like surprises.
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Outside Connectivity II (Asterisk)

Storage Backends The storage of messages on traditional voicemail systems has always tended to be overly complicated.  Asterisk, on the
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Voicemail -I(Asterisk)

Voicemail Before email and instant messaging became ubiquitous, voicemail was a popular method of electronic messaging. Even though most people
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