Being able to stay in touch when out of the country is crucial. We want to make sure you can count on your device no matter what. We're glad to help. Are you making these calls or receiving them? Does it make any difference which one you are? How many people have you spoken with and had this issue with?
I have tried texting and calling one known number with no response. I think she picks up but I can't her at all. She has tried texting and I never get them. She got one call through but couldn't hear me while I could here her. This is over 100s of attempts. When she came back into the US it works fine, does back to Japan and it doesn't.