Android doesn't support mms:// (not a lot of things do any more to be honest). Often that is just used as a "wrapper" for another protocol, though...usually rtsp or http.
Testing with VLC it looks like an HTTP url might work in this case, so try: http://71.41.56.14:1755/
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Testing with VLC it looks like an HTTP url might work in this case, so try: http://71.41.56.14:1755/