We're No Strangers to VoIP: Building the National Rick Astley Hotline

We're no strangers to VoIP You know XML, and so do I A full implementation's what I'm thinking of You wouldn't get this from any other talk I just gotta tell you how to code this Gotta make you understand Learn how to set VoIP up Learn how to tear calls down Learn how to run high availability, and stateless Learn how tech makes you cry Learn how to upgrade on the fly Learn how to run on AWS Lambda with Zappa and Flask