Asterisk

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

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

One of the attractions of VoIP is the concept of avoiding the use of the PSTN altogether, and routing all

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

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

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

Telephony is one of those areas of life where, whether at home or at work, people do not like surprises.

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

VoIP Compared to the vast history of telecom, VoIP is still a relatively new concept. For the century or so