[sbr464]

https://support.apple.com/kb/ph25168?locale=en_US

It worked for me today for the first time (that I realized). I copied a link from twitter on an iPhone, then pasted on an iMac.

[cududa]

Ahhh I have handoff disabled (I cant stand getting phone calls on my laptop)

[dhritzkiv]

I believe you can turn this off from your phone: Settings > Phone > Calls on Other Devices

[sbr464]

I got around it by having do not disturb on 24 hours.