How to associate RDP extension to open remote desktop client on 12.04?

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http://askubuntu.com – The tsclient application used to work for opening .rdp files, Remmina does not seem to work the same way. Does KRDC, Remote Desktop Viewer or some other application work? Using Precise Pangolin (Ubuntu 12.04 LTS). Used tsclient successfully on 9.04 (Jaunty Jackalope) by associating /usr/bin/tsclient. The problem is Intranet published web pages have the .RDP files, which are needed to download and launch the terminal server client or remote desktop client automatically. The tsclient had the features and functionality needed, but tsclient is no longer in the repository and is difficult to ge (HowTos)