# Page Not Found

The URL `portsip-communications-solution/portsip-pbx-administration-guide/certificates-for-tls-https-webrtc/update-certificates` does not exist.

You might be looking for one of these pages:
- [Update Certificates](https://support.portsip.com/portsip-communications-solution/tutorials/certificates-for-tls-https-webrtc/update-certificates.md)
- [Preparing TLS Certificates](https://support.portsip.com/portsip-communications-solution/tutorials/certificates-for-tls-https-webrtc/preparing-tls-certificates.md)
- [Summary of Changes](https://support.portsip.com/portsip-communications-solution/portsip-pbx-administration-guide/9-configuring-portsip-sbc/summary-of-changes.md)
- [Upgrade to the Latest v11.x Release](https://support.portsip.com/portsip-communications-solution/portsip-pbx-administration-guide/9-configuring-portsip-sbc/upgrade-to-the-latest-sbc-release.md)
- [App Template](https://support.portsip.com/portsip-communications-solution/portsip-pbx-administration-guide/5-user-management/app-template.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://support.portsip.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://support.portsip.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/portsip-communications-solution/tutorials/certificates-for-tls-https-webrtc/update-certificates.md`)
- Use `Accept: text/markdown` header for content negotiation