# Page Not Found

The URL `hc/en-gb/articles/6281116070301-Registration-failed-at-Provider-401-errors` does not exist.

You might be looking for one of these pages:
- [Registration failed at Provider/401 errors](https://teamhelp.sipgate.co.uk/use-sipgate/troubleshooting-problem-solving/registration-failed-at-provider401-errors.md)
- [What are the possible outgoing caller IDs for phones and forwarded calls?](https://teamhelp.sipgate.co.uk/account-management/account-crediting-billing-settings/what-are-the-possible-outgoing-caller-ids-for-phones-and-forwarded-calls.md)
- [Why is my Asterisk registered but unable to make or receive calls?](https://teamhelp.sipgate.co.uk/integrations-and-connections/asterisk/why-is-my-asterisk-registered-but-unable-to-make-or-receive-calls.md)
- [How can I port my phone number to other providers?](https://teamhelp.sipgate.co.uk/account-management/managing-phone-numbers/how-can-i-port-my-phone-number-to-other-providers.md)
- [Softphone Debug Logs](https://teamhelp.sipgate.co.uk/first-steps/configuration-guides/softphone-debug-logs.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://teamhelp.sipgate.co.uk/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://teamhelp.sipgate.co.uk/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/use-sipgate/troubleshooting-problem-solving/registration-failed-at-provider401-errors.md`)
- Use `Accept: text/markdown` header for content negotiation