# Optua Help Centre

> Stuck? Confused? Router blinking at you menacingly? The Optua Help Centre has answers, guides, and the comforting reassurance that you're not alone.

## Docs

- [Your first payments](https://help.optua.co.uk/billing/your-first-payments.md)
- [Cloud Voice Infrastructure IP addresses](https://help.optua.co.uk/cloud-voice/faults/cloud-voice-infrastructure-ip-addresses.md)
- [Fraud Prevention](https://help.optua.co.uk/cloud-voice/faults/fraud-prevention.md)
- [Authentication logs](https://help.optua.co.uk/cloud-voice/getting-started/generic-features/authentication-logs.md)
- [Call Analyser](https://help.optua.co.uk/cloud-voice/getting-started/generic-features/call-analyser.md)
- [Call Barring](https://help.optua.co.uk/cloud-voice/getting-started/generic-features/call-barring.md)
- [Call Heatmap](https://help.optua.co.uk/cloud-voice/getting-started/generic-features/call-heatmap.md)
- [Call Recording](https://help.optua.co.uk/cloud-voice/getting-started/generic-features/call-recording.md)
- [Itemised calls](https://help.optua.co.uk/cloud-voice/getting-started/generic-features/itemised-calls.md)
- [Maximum call length](https://help.optua.co.uk/cloud-voice/getting-started/generic-features/maximum-call-length.md)
- [Outbound presentation name](https://help.optua.co.uk/cloud-voice/getting-started/generic-features/outbound-presentation-name.md)
- [Address Book](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/address-book.md)
- [Address Book Sync](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/address-book-sync.md)
- [Call Conferences](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/call-conferences.md)
- [Call Diversion](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/call-diversion.md)
- [Call Monitoring](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/call-monitoring.md)
- [Caller Menus (IVRs)](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/caller-menus-ivrs.md)
- [Callflows](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/callflows.md)
- [On Hold Music](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/on-hold-music.md)
- [Users](https://help.optua.co.uk/cloud-voice/getting-started/hosted-vo-ip/users.md)
- [Emergency Address](https://help.optua.co.uk/cloud-voice/getting-started/numbers/emergency-address.md)
- [Codecs](https://help.optua.co.uk/cloud-voice/getting-started/sip-trunks/codecs.md)
- [How does SIP work?](https://help.optua.co.uk/cloud-voice/getting-started/sip-trunks/how-does-sip-work.md)
- [DIY Call Tests](https://help.optua.co.uk/get-started/cloud-voice/faults/diy-call-tests.md)
- [Foreign IP blocks](https://help.optua.co.uk/get-started/cloud-voice/faults/foreign-ip-blocks.md)
- [Number deletion rules](https://help.optua.co.uk/get-started/cloud-voice/numbers/number-deletion-rules.md)
- [Cancelling / changing your port](https://help.optua.co.uk/get-started/cloud-voice/numbers/porting/cancelling-changing-your-port.md)
- [Lead times](https://help.optua.co.uk/get-started/cloud-voice/numbers/porting/lead-times.md)
- [LOA Rules](https://help.optua.co.uk/get-started/cloud-voice/numbers/porting/letter-of-authority-loa/loa-rules.md)
- [What is a Letter of Authority (LOA)?](https://help.optua.co.uk/get-started/cloud-voice/numbers/porting/letter-of-authority-loa/what-is-a-letter-of-authority-loa.md)
- [Porting Agreements (geographic)](https://help.optua.co.uk/get-started/cloud-voice/numbers/porting/porting-agreements-geographic.md)
- [Porting Agreements (non-geographic)](https://help.optua.co.uk/get-started/cloud-voice/numbers/porting/porting-agreements-non-geographic.md)
- [Porting rejections](https://help.optua.co.uk/get-started/cloud-voice/numbers/porting/porting-rejections.md)
- [Redcare tag removal](https://help.optua.co.uk/get-started/cloud-voice/numbers/porting/redcare-tag-removal.md)
- [Call divsion and auto divert](https://help.optua.co.uk/get-started/cloud-voice/sip-trunks/call-divsion-and-auto-divert.md)
- [TLS Certificate](https://help.optua.co.uk/get-started/cloud-voice/sip-trunks/tls-certificate.md)
- [Changing your installation date](https://help.optua.co.uk/get-started/installation/changing-your-installation-date.md)
- [Extended permission to carry out installation](https://help.optua.co.uk/get-started/installation/extended-permission-to-carry-out-installation.md)
- [Preparing for connection day](https://help.optua.co.uk/get-started/installation/preparing-for-connection-day.md)
- [What to expect on the day](https://help.optua.co.uk/get-started/installation/what-to-expect-on-the-day.md)
- [Broadband jargon-busting](https://help.optua.co.uk/get-started/jargon-busting/broadband-jargon-busting.md)
- [Setting up your router](https://help.optua.co.uk/get-started/your-eero-router/setting-up-your-router.md)
- [About the Optua router](https://help.optua.co.uk/getting-started/your-eero-router/about-the-optua-router.md)
- [Our packages](https://help.optua.co.uk/hi-we-re-optua/about-us/our-packages.md)
- [Allowing your new router to settle-in](https://help.optua.co.uk/jargon-busting/your-eero-router/allowing-your-new-router-to-settle-in.md)
- [How do we protect your data?](https://help.optua.co.uk/we-re-optua/about-us/how-do-we-protect-your-data.md)
- [Our minimum speed guarantee](https://help.optua.co.uk/we-re-optua/about-us/our-minimum-speed-guarantee.md)
- [Who is Optua?](https://help.optua.co.uk/we-re-optua/about-us/who-is-optua.md)
- [Introduction](https://help.optua.co.uk/welcome-to-our-help-centre/introduction.md)

## OpenAPI Specs

- [openapi](https://help.optua.co.uk/api-reference/openapi.json)

## Optional

- [MyAccount](https://my.optua.co.uk/)
- [Contact Support](mailto:contactus@optua.co.uk)