> For the complete documentation index, see [llms.txt](https://docs.didforsale.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers.md).

# Configuration of Phone Numbers

- [Configuring SIP to IP Account](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/configuring-sip-to-ip-account.md)
- [Configuring Custom Dial Plan to a Phone Number](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/configuring-custom-dial-plan-to-a-phone-number.md)
- [Configure SIP to SIP Account](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/sip-to-sip-account.md)
- [Set up Call Forwarding to a Phone Number](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/call-forwarding.md)
- [http URL Forwarding Setup](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/http-setup.md)
- [Webhook Setup](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/webhook.md)
- [FAX](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/fax.md): No FAX machine? No worries, Send and receive FAX through EMail!
- [Receive FAX](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/fax/receive-fax.md)
- [Fax through SIP Account](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/fax/fax-through-sip-account.md)
- [Send FAX](https://docs.didforsale.com/sip-trunking/configuration-of-phone-numbers/fax/send-fax.md)