For those developing integrations with Microsoft O365 you'll probably have come across the E5 Sandbox tenants. These are temporary tenants provided by Microsoft, full of plausible but fake users and data, specifically targeted at Developers. What if you want to send test calls into your voice app or auto attendant/call queue in an E5 Sandbox? It can be done!
VoIP Toolbox can already pull SIP call flows out of a PCAP, directly in the browser. The latest update runs sipright over every SIP message. This gives a high level good/warning/bad call indicator, aiming to make problematic parts of a capture stand out at a quick glance.
Whilst writing the 2025 retrospective, I realised that the falkus.co blog has been going for 10 years! Time for a whole blog retrospective!
I've been writing an annual retrospective since 2020. The format has changed a little over the years, but overall it's a look back at my own tech changes and projects throughout the year, particularly those not covered already by another post on this blog.
VoIP Toolbox now offers SIP monitoring, from basic SIP OPTIONS health checks to more advanced scenarios like registration or calling.