# Kallin

- [Kallin: AI-Powered Receptionist Answering Your Calls 24/7](https://docs.kallin.co.uk/introduction.md): Kallin is an AI-powered receptionist that answers your phone calls 24/7, so you never miss a lead or sale. Connect a UK number, customise your voice prompts, and go live in minutes.
- [How Kallin Works: Managing UK Phone Numbers Simply](https://docs.kallin.co.uk/concepts/how-it-works.md): Understand how Kallin connects your UK phone numbers, routes calls, and lets you manage your telephony from a single cloud dashboard.
- [UK Phone Number Types on Kallin: A Complete Overview](https://docs.kallin.co.uk/concepts/phone-numbers.md): Learn about UK geographic, non-geographic, mobile, and virtual number types and how each is supported and used within the Kallin platform.
- [Call Routing in Kallin: Rules, Conditions and Destinations](https://docs.kallin.co.uk/concepts/call-routing.md): Learn how Kallin's call routing engine works — rules, destinations, time-based routing, and how to direct calls to the right place.
- [Virtual Numbers on Kallin: VoIP and Cloud Phone Lines](https://docs.kallin.co.uk/concepts/virtual-numbers.md): Virtual numbers on Kallin let you add cloud-based UK phone lines without a physical SIM or landline — ideal for remote teams and flexible deployments.
- [Connect and Manage Your UK Phone Numbers in Kallin](https://docs.kallin.co.uk/connecting-numbers/overview.md): An overview of the ways to connect existing UK phone numbers to Kallin — from BT landlines and VoIP providers to mobile networks and number porting.
- [Connecting BT and Openreach Landline Numbers to Kallin](https://docs.kallin.co.uk/connecting-numbers/bt-openreach.md): Step-by-step guide to connecting your BT or Openreach geographic number to Kallin for smart call routing and full call management.
- [Connecting Your UK VoIP Provider Numbers to Kallin](https://docs.kallin.co.uk/connecting-numbers/voip-providers.md): Connect numbers from UK VoIP providers including Vonage, 8x8, RingCentral, Gamma, and others to Kallin using SIP trunking or call forwarding.
- [Connect Vodafone, O2, EE and Three Numbers to Kallin](https://docs.kallin.co.uk/connecting-numbers/mobile-networks.md): Connect your Vodafone, O2, EE, or Three UK mobile number to Kallin using call divert to enable advanced routing, voicemail, and call management.
- [Number Porting: Transfer Your UK Phone Number to Kallin](https://docs.kallin.co.uk/connecting-numbers/number-porting.md): Transfer your existing UK phone number from BT, Virgin Media, Sky, or any Ofcom-regulated provider to Kallin with our guided number porting process.
- [Configure Call Routing Rules for Your Kallin Numbers](https://docs.kallin.co.uk/managing-numbers/call-routing.md): Set up and manage call routing rules in Kallin to direct incoming calls to the right destination based on time, day, caller ID, and more.
- [Build and Manage IVR Menus for Your Kallin Numbers](https://docs.kallin.co.uk/managing-numbers/ivr-menus.md): Create interactive voice response (IVR) menus in Kallin to greet callers and route them to the right team or option with keypad selections.
- [Set Up and Manage Voicemail on Your Kallin Numbers](https://docs.kallin.co.uk/managing-numbers/voicemail.md): Set up voicemail boxes on your Kallin numbers, customise your greeting, and receive transcribed voicemail messages by email or in the dashboard.
- [Configure Call Forwarding Settings for Your Kallin Numbers](https://docs.kallin.co.uk/managing-numbers/forwarding.md): Configure call forwarding on Kallin numbers — forward all calls, forward on no answer, or set up simultaneous ring to multiple destinations.
- [Troubleshooting Common Issues with Your Kallin Account](https://docs.kallin.co.uk/troubleshooting/common-issues.md): Resolve the most common Kallin issues — calls not connecting, routing not working, number verification failing, poor call quality, and login problems.
- [Frequently Asked Questions About Porting Numbers to Kallin](https://docs.kallin.co.uk/troubleshooting/porting-faqs.md): Answers to common questions about porting UK phone numbers to Kallin — timelines, rejections, PAC codes, and what to do if something goes wrong.
- [Contact Kallin Support: Email, Chat, Phone, and Escalation](https://docs.kallin.co.uk/troubleshooting/contact-support.md): Reach the Kallin support team by email, live chat, or phone. Find response times, what to include in your request, and how to escalate urgent issues.