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Error 13802

Product: Programmable Voice

ERROR - 13802

Dial: No referUrl attribute specified

Twilio received a REFER on an established session, but there was no referUrl attribute specified. In order to send a SIP REFER message to an established <Dial> call, the referUrl attribute must be specified in the TwiML. In this case, a REFER was received on a <Dial> call without a referUrl attribute present.

Possible Causes

  • Your <Dial> verb did not include a referUrl attribute or the attribute was misspelled

Possible Solutions

  • Add a valid referUrl attribute to your <Dial> verb
  • For more information on sending REFER to Twilio, see Refer to Twilio
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