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SIP: Header name is not allowed

WARNING: 32113

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The SIP header you asked Twilio to stamp was omitted because it is not supported on the Twilio platform.

Twilio supports extension headers beginning with an X- prefix. Your extension header name cannot begin with the prefix X-Twilio.

Possible Causes

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  • SIP header name not supported on the Twilio platform.
  • If your application can use a different header name, use an X- prefixed header name, e.g. if you want to use the name Customer-Info , see if your application can be configured to use X-Customer-Info instead.

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