Asterisk, ODBC, and Connections

As mentioned in a previous post there have been some fundamental changes made to the Asterisk ODBC resource module, res_odbc. Specifically, the single connection bottle neck was removed in favor of a reusable connection pool model implemented within unixODBC itself. Upgrade ODBC for Stability Unfortunately these changes, while beneficial, have caused a few problems. These […]


Floating Point Imprecision: or, why we had to make a regression release

In this post, we’re going to take a deep dive into a bug that was reported against the 13.9.0 version of Asterisk shortly after its release. This blog entry will be written in a way so that people unfamiliar with VoIP or the Asterisk project can read about this issue and maybe learn a thing […]


Asterisk 13.9.0 Notable Changes

It seems just like yesterday that Asterisk 13.8.0 was released but here we are with an Asterisk 13.9.0 (and subsequently 13.9.1). This post shines the light on some notable changes that may impact and be useful for everyone. app_queue A change went in to Asterisk 13.8.0 to fix an issue where the wrapuptime would not […]


The PJSIP Configuration Wizard

Been wanting to try the new PJSIP stack but finding the configuration a little daunting?  Then this blog post is for you! While the basic PJSIP configuration objects (endpoint, aor, etc.) allow a great deal of flexibility and control they can also make configuring standard scenarios like ‘trunk’ and ‘user’ more complicated than similar sip.conf scenarios.  The […]


Asterisk 14: Coming with improved PJSIP DNS Support!

The PJSIP library now used by Asterisk to provide SIP support has included basic SIP DNS support for quite some time. However through using it ourselves and from feedback from the community we determined that it was not as feature rich as we would like and as part of Asterisk 14 we set about improving […]


Asterisk 13.8.0 Highlights

Asterisk 13.8.0 was just recently released. As usual this release includes bug fixes as well as a few new features. Many of which were submitted and patched by community members and contributors. Many thanks goes out to all those who made this release a success. As mentioned many items were attended to, but we’ll highlight […]


How to setup call parking

What is call parking? Call parking is a means of placing a call on hold so anyone can retrieve the call if they know where the call is parked. The natural metaphor to describe how the feature operates is a car parking lot. In fact many of the call parking options use car parking terminology […]


Triaging Asterisk Issues

When you file an issue on the Asterisk JIRA you might notice that a few people may end up looking and participating in it. The first person, however, is usually just doing triage. What is triage? Well – before a developer looks at an issue it is vetted to ensure that it is a valid issue […]


Asterisk 13.8.0: Now With Easier PJSIP Install Method!

Asterisk 13.8.0 will come with a new option for enabling PJSIP functionality. This functionality is called bundling and comes courtesy of a community member, George Joseph, who you can also thank for such PJSIP additions as wizards for configuration and the PJSIP_HEADER dialplan function. Before we talk about bundling let’s take a look at the history […]


Push it Real Good! (or ARI Push Configuration)

Veterans of Asterisk configuration have likely dealt with static configuration files or realtime before. Since Asterisk 13.5.0, there is a new player in town: ARI push configuration. How does ARI push configuration work? ARI push configuration uses a subsystem of Asterisk called sorcery. This is the first mention of sorcery on this blog, and I […]

1 2