http://linux.die.net/man/1/xfreerdp

XFreeRDP is a newer RDP client for Linux with advanced features.

If you want multimedia redirection (sound, audio), use XFreeRDP.

Usage (no spaces):

xfreerdp /d:domain
         /u:username
         /p:password
         /f               # fullscreen
         /size:85%        # initial window size
         /dynamic-resolution # resizable window
         /v:servername    # or IP address
         /rfx             # RemoteFX
         /sound
         /dvc