You might want to check the docs for a new espBASIC feature that Mike added...
https://docs.google.com/document/d/1EiYugfu12X2_pmfmu2O19CcLX0ALgLM4r2YxKYyJon8/pub#h.64irbdj5sq3u
ping()
and check this thread...
viewtopic.php?f=45&t=13946&p=63159#p63159
dwight