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

# Voice integrations

> Connect PolyAI to voice platforms for call routing and SIP-based handoffs.

PolyAI integrates with voice platforms for call routing, SIP data exchange, and live-agent handoffs. Most telephony integrations can be connected from **Integrations** in Agent Studio.

## Available integrations

| Platform                                                               | Connection | Key features                                              |
| ---------------------------------------------------------------------- | ---------- | --------------------------------------------------------- |
| **[Five9](/integrations/telephony/five-9)**                            | Studio UI  | SIP trunking, auth tokens, metadata exchange              |
| **[NICE CXone](/integrations/telephony/nice-c-xone)**                  | Studio UI  | Signal API handoffs, pseudo-number routing                |
| **[Twilio](/integrations/telephony/twilio)**                           | Studio UI  | Marketplace connector, TwiML/Studio routing, Flex handoff |
| **[Amazon Connect](/integrations/telephony/amazon-connect/overview)**  | Studio UI  | DynamoDB contact flows, Connect analytics                 |
| **[Genesys](/integrations/telephony/genesys)**                         | Studio UI  | BYOC trunks, sequential failover, custom SIP headers      |
| **[Dialpad](/integrations/telephony/dialpad)**                         | Studio UI  | Cloud contact center, call management                     |
| **[Custom SIP](/integrations/managed-services/telephony/custom-sip)**  | Managed    | SIP header access, SIP INVITE/REFER transfers             |
| **[DNI Pooling](/integrations/managed-services/telephony/dn-is-pool)** | Managed    | Rotating number pool for metadata passing                 |

> **Note**
>
> Custom SIP and DNI Pooling require coordination with your PolyAI account manager. All other telephony integrations can be connected directly from Agent Studio.