> ## Documentation Index
> Fetch the complete documentation index at: https://polyai-mintlify-7055a538.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# 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/voice/sip/five9)**                              | Studio UI                   | SIP trunking, auth tokens, metadata exchange                             |
| **[NICE CXone](/integrations/voice/sip/NICECXone)**                     | Studio UI                   | Signal API handoffs, pseudo-number routing                               |
| **[Twilio](/integrations/voice/twilio)**                                | Studio UI                   | Marketplace connector, TwiML/Studio routing, Flex handoff                |
| **[Amazon Connect](/integrations/voice/amazon-connect/amazon-connect)** | Studio UI                   | DynamoDB contact flows, Connect analytics                                |
| **[Genesys](/integrations/voice/sip/genesys)**                          | Studio UI                   | BYOC trunks, sequential failover, custom SIP headers                     |
| **[Dialpad](/integrations/voice/dialpad)**                              | Studio UI                   | Cloud contact center, call management                                    |
| **[Zoom](/integrations/voice/zoom)**                                    | Zoom App Marketplace (beta) | Zoom Phone & Contact Center, App Marketplace install, custom SIP headers |
| **[Custom SIP](/integrations/voice/sip/custom-sip)**                    | Managed                     | SIP header access, SIP INVITE/REFER transfers                            |
| **[DNI Pooling](/integrations/voice/dnis-pool)**                        | Managed                     | Rotating number pool for metadata passing                                |

<Note>
  Custom SIP and DNI Pooling require coordination with your PolyAI account manager. Zoom is connected through the Zoom App Marketplace rather than Agent Studio. All other telephony integrations can be connected directly from Agent Studio.
</Note>