I can't anwer calls since two days ago (Android)

Question

Since two days ago, when I receive calls I swipe left to right but don't connect with the caller. Green and red buttoms dessapear for a while. I recorded a video to show this issue https://youtu.be/bPknRGZpSAE

Thanks in advanced

Comments

I've just found out that is a problem with my ADSL provider due to if I disconnect wifi I'm able to answer calls with my mobile line.

Answer 1

What happens if you reinstall Zoiper? Can you try it?

Comments

I've already reinstalled. The video was recorded just after reinstalling and reconfiguring the app.

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I asked this question too 5 days ago.This happens when I use cell phoneprovider network.  I jave reinstalled a few times hasnt changed.