For those of you who believe in periodically restarting your Obi, I've authored this Node-Red Flow to periodically restart your Obi202. You can schedule it at the time of your choice. The flow first checks whether or not there is an active call, and if so, skips the restart.
http://flows.nodered.org/flow/1acb62db43de9b7f8bc0750f02307d54