Falkus.co

The Uncanny AI Valley of Text

Tue, 22 Sep 2026 00:00:00 +0000

For a mostly-tech blog, there aren't many posts on falkus.co that mention AI. This mini essay is the first in a probable series on my thoughts around the good and not so good of using AI, specifically to complete work in software development roles.

Compromised Websites - Asking Users Nicely To Run Malware

Sat, 19 Sep 2026 00:00:00 +0000

A local heat pump installer in my area has a compromised website that has a malware/phishing approach via CAPTCHA that I've not seen before.

Sending Calls to Voice Apps in an E5 Sandbox

Fri, 11 Sep 2026 00:00:00 +0000

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!

BPM List: A Drummer's Set List Website

Sun, 31 May 2026 19:00:00 +0000

A post about building a simple musician's gig set list web app that includes a preset metronome for each song.

VoIP Toolbox: Is the SIP in this PCAP OK?

Sat, 02 May 2026 09:00:00 +0000

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.

eBay - What's ending soon?

Sun, 08 Mar 2026 00:00:00 +0000

Who doesn't love a bargain on eBay? A brief blog post about building a micro website that gives a raw results view of what's ending soonest in one or more eBay categories.

10 Years of Blogging

Sun, 22 Feb 2026 00:00:00 +0000

Whilst writing the 2025 retrospective, I realised that the falkus.co blog has been going for 10 years! Time for a whole blog retrospective!

2025 Mini Retrospective

Fri, 16 Jan 2026 09:00:00 +0000

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 - Monitoring SIP Endpoints

Fri, 05 Dec 2025 09:00:00 +0000

VoIP Toolbox now offers SIP monitoring, from basic SIP OPTIONS health checks to more advanced scenarios like registration or calling.

Reflections on Software in Telecoms

Sat, 04 Oct 2025 09:00:00 +0000

It has been over 8 years since I started working in telecoms. This post has become a two-parter. Part 1 is a look at the interesting technical challenges around telecoms software. Part 2 has some reflection on my own journey. The summary is that if you have the option of working in telecoms, or any other real-time communication environment, I'd say go for it.