News for hackers. Stuff that matters.
Re:FaceTime is coming to Android and Windows via the web by cargo8 on Monday June 07, 2021 @06:43PM (#27428232)
TBF he said it would be an open protocol, not open-source. That being said, obviously Apple still never followed through...
Re:FaceTime is coming to Android and Windows via the web by userbinator on Monday June 07, 2021 @09:55PM (#27429789)
Apparently it's some variant of SIP. I'm surprised that it's been a decade and no one has RE'd it all and written an open-source client (or have they all been threatened by lawyers...?)

http://blog.krisk.org/2013/09/apples-new-facetime-sip-perspe...

https://news.ycombinator.com/item?id=1509717