# Page Not Found

The URL `hc/en-gb/articles/25059260444445-How-does-HD-telephony-work` does not exist.

You might be looking for one of these pages:
- [How does HD telephony work?](https://teamhelp.sipgate.co.uk/use-sipgate/telephony/how-does-hd-telephony-work.md)
- [Can I list my sipgate number in the Telephone Book?](https://teamhelp.sipgate.co.uk/account-management/managing-phone-numbers/can-i-list-my-sipgate-number-in-the-telephone-book.md)
- [How do I book new phone numbers?](https://teamhelp.sipgate.co.uk/account-management/managing-phone-numbers/how-do-i-book-new-phone-numbers.md)
- [How much does Call Forwarding cost?](https://teamhelp.sipgate.co.uk/account-management/account-crediting-billing-settings/how-much-does-call-forwarding-cost.md)
- [How can I create and edit Telephony and Routing for a User?](https://teamhelp.sipgate.co.uk/use-sipgate/telephony/how-can-i-create-and-edit-telephony-and-routing-for-a-user.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/telephony/how-does-hd-telephony-work.md`)
- Use `Accept: text/markdown` header for content negotiation