> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.phonic.ai/docs/phone-numbers/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.phonic.ai/_mcp/server. # PHONE NUMBERS ## Docs - [SIP Trunk (Twilio, Telnyx)](https://docs.phonic.ai/docs/phone-numbers/using_custom_phone_numbers.md): Learn how to use your Phonic Voice Agent to send and receive calls to custom phone number via SIP trunking - [Amazon Connect](https://docs.phonic.ai/docs/phone-numbers/amazon_connect.md): Learn how to use Phonic with Amazon Connect by bridging an Amazon Chime SDK Voice Connector to Phonic over SIP for inbound and outbound calls