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 AsteriskRead More »
ODBC Voicemail Message Storage
ODBC Voicemail Message Storage Asterisk enables you to store voicemail inside the database using the ODBC connector. This is usefulRead More »
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.Read More »
Managing Databases
Managing Databases While it isn’t within the scope of this book to teach you about how to manage your databases,Read More »
Relational Database Integration
we are going to explore integrating some Asterisk features and functions into a database. There are several databases available forRead More »
Shared Line Appearances
In Asterisk, Shared Line Appearances (SLA)—sometimes also referred to in the industry as Bridged Line Appearances (BLA)—can be used. ThisRead More »
Device States I(Asterisk)
It is often useful to be able to determine the state of the devices that are attached to a telephoneRead More »
Internet Call Routing II
ISN, ITAD, and freenum.org The biggest shortcoming of ENUM is that it uses a numbering system that is not underRead More »
Internet Call Routing I
One of the attractions of VoIP is the concept of avoiding the use of the PSTN altogether, and routing allRead More »
Parking, Paging, and Conferencing(Asterisk)
In Asterisk, these two functionalities are exclusive to one another, and can be used independently of one another. Some businessesRead More »
Deeper into the Dialplan II
Using the Asterisk Database (AstDB) Asterisk provides a powerful mechanism for storing values called the Asterisk database (AstDB). The AstDBRead More »
Deeper into the Dialplan(Asterisk)
Expressions and Variable Manipulation As we begin our dive into the deeper aspects of dialplans, it is time to introduceRead More »
Internationalization(Asterisk)
Telephony is one of those areas of life where, whether at home or at work, people do not like surprises.Read More »
Outside Connectivity II (Asterisk)
Storage Backends The storage of messages on traditional voicemail systems has always tended to be overly complicated. Asterisk, on theRead More »
Voicemail -I(Asterisk)
Voicemail Before email and instant messaging became ubiquitous, voicemail was a popular method of electronic messaging. Even though most peopleRead More »