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Error 11220

Error - 11220

SSL/TLS Handshake Error

During SSL/TLS negotiation, Twilio experienced a connection reset.

Possible Causes

  • Incompatible cipher suites in use by the client and the server. This would require the client to use (or enable) a cipher suite that is supported by the server.

Possible Solutions

  • Verify cipher suites in-use are up to date. Twilio-supported ciphers can be found here
  • Use compatible version of TLS, Twilio supports TLS 1.0,1.1,1.2.
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