In the past month I’ve been fixing an issue with Asterisk and PJSIP that I thought would be fun to share in a blog post. The originally filed issue was for a crash experienced when Asterisk was manipulating the reference count of a PJSIP invite session. For those who may be unaware the INVITE session
Inside the Asterisk
While this has been mentioned in a few places I thought it prudent to also create a blog post. Asterisk 13 and Asterisk 17 have entered security fix only status. What does this mean, though? When bug fixes and changes are put up for review they will no longer be done against Asterisk 13 and
Logging in software is usually a good thing. It’s often used to output useful information and/or statistics relevant to a current software task. However, everything comes with a cost, and logging is no exception. Excessive logging slows a system down. As well “information overload” can actually confuse a situation and complicate things. Like any good
Kia Ora! (Or Be Healthy) (Don’t ask – I like greetings from various languages) If you haven’t noticed from the various emails and posts Asterisk 18.0.0 has now been released and is available for download here! As previously mentioned in our blog post for 18.0.0-rc1 this is an LTS release, meaning it will be supported
Video has been a continued theme of Asterisk for some years now. We put into place the foundation to allow us to do video better, and have over time taken advantage of this and advanced things further. I thought I would take a little bit of time to reflect back on what has been done.
Codec negotiation in Asterisk has been one of its deepest darkest secrets. It’s been around since the beginning and over the past two decades it’s grown and mutated into one of the least understood parts of Asterisk. With Advanced Codec Negotiation that’s about to change! One of the Asterisk team’s goals for 2020 was to dig
What is STIR/SHAKEN? STIR/SHAKEN (Secure Telephony Identity Revisited / Signature-based Handling of Asserted information using toKENs) is a new technology that the telecommunications industry is using to help combat telephony fraud. We’ve all received spam calls, and some of us may have even received a call from a caller ID we recognized, but ended up
Greetings Everyone! Another year has flown by and while we now live in interesting times this has not stopped the development and progress of Asterisk or the Astricon conference, so much so that the first release candidate of Asterisk 18 is here. The first step in creating the 18.0.0 release of Asterisk is tagging a
When transitioning from the chan_sip channel driver to chan_pjsip one of the items that can catch people off guard is the use of SIP URIs within PJSIP. This is because in chan_sip these are generated on your behalf based on different configuration options while in chan_pjsip we leave this up to the user. Let’s take
Normally you will find me on this blog talking about technical aspects of Asterisk but today I’d like to talk about the Asterisk website and this blogs site. A few days ago a major shift happened with both. The www.asterisk.org site was moved from Drupal to WordPress and blogs.asterisk.org joined it in the same instance.