Update README.md

Author: sifuas

README.md

@@ -4,4 +4,8 @@ Project with the basic communication structure to connect and send commands to t
 
 This is not a complete implementation of the API, as it was written to provide control of the Poly Device Mode on the G7500 and X50 units.
 
-The code was most recently tested and is running on systems with Poly G7500 units. Initial testing was done with X50 and *should* work the same on all VideoOS units that support Poly USB Device Mode.
+The code was most recently tested and is running on systems with Poly G7500 units. Initial testing was done with X50 and *should* work the same on all VideoOS units that support Poly USB Device Mode.
+
+Note that the Poly VideoOS devices seem to lock up and need a reboot if you keep the RESTful connection open to the units. After a period of time the REST connection and web ui will return errors and stop working requiring a power cycle of the unit.
+
+Make sure to add logic into your own code that will properly connect and disconnect the module from the VideoOS device to keep it from locking up.