It has good lights and zoom capability, but like the main camera takes a few seconds to become readable after someone moves the document or nudges it with a pointer. One can't use the discount phone carrier as they can't guarantee a digital path to the USA every time. Showing anything detailed is fairly hopeless. Fine lines, such as table boundaries, can give odd moire effects. I don't think the PiP can be transmitted.
Video feed is voice-switched.
UBC end has a mute button to prevent local chat being transmitted Lighting, acoustics are important. Striped shirts give colour moire effects - professional TV people know all about this kind of thing. Having a nameboard that appears on the bottom of the outgoing video is probably a good idea. SLAC has one. The sound is pretty good, probably better than an analog phone line.