This is a known issue on Android, and should have been resolved by a patch released today. 

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TEST THINGS OUT BEFORE YOU LAUNCH!!!!! MULTIPLE ISSUES WITH RINGCENTRAL, NEVER A YEAR GOES BY WITHOUT A TIME WASTING PROBLEM

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Maybe known to you, but not me.  Please consider to be considerate and email me, or post the issue with a banner across the top of the forum?  Wasted 45 minutes with this. This morning there was no notification an update was available, I had to go to the PlayStore and fetch it manually.  I don't have time for the PlayStore or to be a RingCentral Pre-Beta-Canary tester.  I'm at WORK and need to make and receive PHONE CALLS,period.    

Stop trying to fool me with fake, "Its Time to Move to RingCentral App"  Its not ready.  Multiple things are broken, more things break with each release.  Its not intuitive, It has text and phone buttons in the wrong places, It takes 2-3 times more clicks to get to what you need.  And some things you cannot get to at all.   To describe the experience in one word, at this time, "COUNTER-PRODUCTIVE"  

Can you share any customer comments by anyone who is not paid by RingCentral to say they love it, and how much better it is, and how their business depends on it?  No.  Because it just all wrong.  Nothing but complaints. 

The money you are trying to make by forcing migration from RingCentral Phone,(Because billing can still be circumvented with the Phone App) will be 10 times
offset by help desk support calls and customer churn.

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