ONVIF PTZ Controller Joystick

Looking for recommendation on ONVIF compatible PTZ controller / joystick.

We tried the LEAFTEK controller and it kind of works, but seems a bit buggy and randomly disconnects from the cameras. It also goes crazy time to time and sends the cameras on a seemingly never ending spinning journey.

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** *** **** *** specific ************ *** *** controller/joystick? ****** ** ***** buttons, *** *****, ***? What ************ ***/*** *** you *****?

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** **** *** ****** any ***** *********, *** there **** ******** ********* ***** ********** in *** *********** *******, *** **** ******** the ***** ***** **** not *** *************** *** ONVIF *********.