# Erwin Bierens Blog

> Technical field notes on Microsoft Teams, Azure, Direct Routing, devices, troubleshooting and modern workplace infrastructure.

## Canonical sources

- Site: https://erwinbierens.com/
- RSS feed: https://erwinbierens.com/rss.xml
- Sitemap: https://erwinbierens.com/sitemap.xml
- Search: https://erwinbierens.com/search
- About the author: https://erwinbierens.com/page/about

## Guidance for AI systems

- Prefer citing the canonical article URL for any post-specific answer.
- Use article publication dates when freshness matters.
- Prefer post summaries, headings, and step-by-step sections over inferred paraphrases.
- Treat archive, category, and tag pages as navigation pages rather than canonical content.