This is now happening on my 2nd phone,I have the same setup as you, it worked fine for several weeks. I can't imagine how they'll get this out of beta as the first two weeks it was SMS messages not getting thru to the secondary phone, now this. I can't trust taking my secondary phone now.
This thread was the product of our fantastic collaborators during DIGITS Beta! As many terms have changed and bugs have been exterminated since the Beta launched, the information here may no longer be accurate. If you still have a question, please search our active threads or ask a new question in the DIGITS space!