OSI/MHS Management Programming Manual

OSI/MHS Management Programming Manual—424824-001

D-1

Reason and Diagnostic Codes

This appendix contains the reason codes and diagnostic codes specified in the CCITT

X.411 recommendations.

Reason Codes

Following are the values for NONDELIVERYREASONCODE as specified in the

CCITT X.411 recommendations:

(0) Transfer-failure

indicates that, while the MTS was attempting to deliver or probe delivery of the

subject-message, some communication failure prevented it from doing so.

(1) Unable-to-transfer

indicates that, due to some problem with the subject itself, the MTS could not

deliver or probe delivery of the subject-message.

(2) Conversion-not-performed

indicates that a conversion necessary for the delivery of the subject-message was (or

would be) unable to be performed.

(3) Physical-rendition-not-performed

indicates that the PDAU was unable to physically render the subject message.

(4) Physical-delivery-not-performed

indicates that the PDS was unable to physically deliver the subject-message.

(5) Restricted-delivery

indicates that the recipient subscribes to the restricted-delivery element-of-service

(as defined in CCITT X.411 specifications) that prevented (or would prevent) the

delivery of the subject-message.

(6) Directory-operation-unsuccessful

indicates that the outcome of a required directory operation was unsuccessful.