13810: Reject: Invalid causePositive FeedbackNegative FeedbackWARNING: 13810warning-13810 page anchorPositive FeedbackNegative FeedbackPROGRAMMABLE VOICEWARNING Descriptiondescription page anchorPositive FeedbackNegative FeedbackA call is rejected for any reason other than Busy or Hangup Possible Causespossible-causes page anchorPositive FeedbackNegative FeedbackCould be timeout, cancelled, or no-answer. Possible Solutionspossible-solutions page anchorPositive FeedbackNegative FeedbackCheck application call timeout duration.