---
page_type: error
code: 31910
message: "31910: Stream - WebSocket - SSL Protocol Error"
level: ERROR
product: Programmable Voice
---

## Description

The server doesn't support SSL, can't provide a secure connection or the SSL handshake has failed

### Possible Causes

- Server doesn't support SSL
- Stream is trying to connect the wrong port
- Protocol or SSL handshake has failed

### Possible Solutions

- Verify the server has enabled SSL
- Verify the port in TwiML URL is actually the one supporting SSL
- Verify the certificate is correct and accepted by HTTP clients