I am sure HP / Mercury is aware of the issue. I have several simialr requests on file with Mercury. I am not aware of a general solution in that area.
We have created specifications to exchange defects between systems using xml data in emails. We have written a C# service in Windows using Quality Center API to implement our side of the server. We exchange defects with several different vendors and groups. Even in one case a home brew lotus notes defect system.
This message is composed entirely of recycled electrons.