In my 2020 Summary blog post I touched on the Azure DevOps built-in wiki and how well put together it is. One of the best features is the support for graphs via mermaid. I do however often find myself creating a new graph by copy/pasting from the last mermaid SIP flow graph I edited.
A brief story about hunting down the issue that caused SIP packets to show out of order in a call logging system.
Part of my day job involves picking apart SIP packets and figuring out why things might not be happening as expected. I've only recently tried out `sngrep` as a tool to help with this and it's ace.