13257: Invalid transcribeCallback URLPositive FeedbackNegative FeedbackERROR: 13257error-13257 page anchorPositive FeedbackNegative FeedbackPROGRAMMABLE VOICEERROR Descriptiondescription page anchorPositive FeedbackNegative FeedbackTranscribe callback URL does not conform to standard URL format. Possible Causespossible-causes page anchorPositive FeedbackNegative FeedbackTranscribe callback URL is invalid. Possible Solutionspossible-solutions page anchorPositive FeedbackNegative FeedbackCorrect transcribe callback URL.