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Error 11201

Error - 11201

TCP connection timed out

Twilio cannot establish a TCP connection to your web server. The two attempts to connect to your web server were timed out. Each connection attempt has a 5 second timeout.

考えられる原因

  • firewall in your network blocking incoming TCP traffic
  • network outage between Twilio and your web server
  • invalid host part in the HTTP URL pointing to non-existing host or private IP address

考えられる解決策

  • verify firewall configuration in your network or on the web server
  • web サーバーへのネットワーク接続を確認します。
  • verify the HTTP URL provided is accessible to the public Internet
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