Hello Roland. Thank you very much for your kind answer. I did a test with my keys at https://github.com/sinch/rtc-reference-applications the calls do appear in the Sinch Dashboard log, but on my devices I can't receive any calls. As the README of the document indicates, I put my keys and my Google Services JSON, but when I want to make a call, it does not reach any device. On the other hand, I don't understand how your sample application is built, because I followed the tutorials at https://developers.sinch.com/docs/in-app-calling/getting-started/android/create-app/ but it seems to me that the code is incomplete or something is wrong with it. If you could give me advice. Thank you so much
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