DCMTK

CP-1222 defines several "new" DIMSE status codes for the various DIMSE-C and DIMSE-N messages. For example, the following now applies to C-ECHO:

Indicates the status of the response. It may have any of the following values:
a) Success
b) Refused: SOP Class Not Supported -- Indicates that a different SOP Class than the Verification SOP Class was specified, which was not supported.
c) Refused: Duplicate Invocation -- Indicates that the Message ID (0000,0110) specified is allocated to another notification or operation.
d) Refused: Mistyped argument -- Indicates that one of the parameters supplied has not been agreed for use on the Association between the DIMSE-service-users.
e) Refused: Unrecognized Operation -- Indicates that a different SOP Class than the Verification SOP Class was specified, which does not recognize a C-ECHO operation.

That means that the dcmnet library and applications, as well as all other network-related libraries and applications should be checked and extended (if needed).