What happened to the WWDC16 session 230: Enhancing VoIP Apps with CallKit video? Its gone

This video is referenced in several places, for example here references it

https://developer.apple.com/documentation/callkit/making_and_receiving_voip_calls_with_callkit

and Eskimo has referenced it in his posts. But its gone, there are other WWDC16 session videos but not this one (https://developer.apple.com/videos/wwdc2016)

Is it available anywhere else?

Also how can this code be run/tested for an incoming call (without using the build in simulator i.e. using a real incoming Voip call)? What tool/app etc. could be used to generate a call to the handset to see the code in action when answering a VoIP call?

Found it here https://wwdctogether.com/wwdc2016/230

Presentation https://docplayer.net/docview/57/40382450/#file=/storage/57/40382450/40382450.pdf

What happened to the WWDC16 session 230: Enhancing VoIP Apps with CallKit video? Its gone
 
 
Q