> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://poly-ai.ferndocs.com/integrations/managed-services/telephony/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://poly-ai.ferndocs.com/_mcp/server.

# Telephony

## Docs

- [Custom SIP](https://poly-ai.ferndocs.com/integrations/managed-services/telephony/custom-sip.md): Access SIP headers for dynamic routing, personalization, and custom handoffs.
- [DNIs Pool](https://poly-ai.ferndocs.com/integrations/managed-services/telephony/dn-is-pool.md): Integrate your telephony system with PolyAI using a pool of Dynamic Number Insertion (DNI) numbers.
- [Zoom Contact Center](https://poly-ai.ferndocs.com/integrations/managed-services/telephony/zoom-contact-center.md): Integrate PolyAI with Zoom Contact Center for voice agent handling through a SIP trunk.