Tweaks and improvements to the SIP DNS lookup tool.
A fairly common SIP troubleshooting step is to check any DNS records are configured correctly. Typically this involves a combination of querying for SRV and A records. SIP DNS Lookup is a mini site that aims to make that a bit easier.
I've been surprised how much use I've got out of the SIP Diagrams site. This post covers a couple of follow up tweaks to improve the experience.
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.