The RingCentral phone system training class is available to watch here:
http://inet/administration/it/Documents/Phones/RingCentral%20End%20User%20Training.mp4
Topics include:
Account setup (voicemail, recordings, hours, presence)
Transferring calls
RC desktop and mobile apps (phone, SMS, fax, HUD,conference calls)
Moving a live call from one device to another
RC Meetings app