For some still unknown reason, calling MakeUnique() on params here leaks memory. This is specially true in Windows but it is assumed that unix builds are affected by this bug as well. It is worth noting, though, that it seems that only the release build is leaking memory and debug does not. We need to look further into this because MakeUnique is called allover OpenSIPStack. For now, the temporary solution is to call MakeUnique() inside uri.SetParameters() function after the params have been copied. This solution has already been commited as part of 1.1.5 release and has been proven to work. However, I would want to extend the status of this ticket as open up to 1.1.6 until the "real" cause has been determined.