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Error 31920

Product: Programmable Voice

ERROR - 31920

Stream - WebSocket - Handshake Error

The WebSocket protocol handshake was declined by the server The server has returned an HTTP code different from 101 to the connection request sent by stream

See https://tools.ietf.org/html/rfc6455#section-4 for details.

Possible Causes

  • The server does not support WebSocket
  • The WebSocket protocol is not enabled for the requested URL

Possible Solutions

  • Verify WebSocket protocol is enabled in the server
  • Verify the path in TwiML URL is actually the one supporting WebSocket
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