What happens when you try to make a call? Error message? Dead air? Busy tone?
If you can't call any numbers, are you able to call #832 (test call number for Verizon).
Is Wi-Fi calling turned on for either phone?
If none of that helps, then what model iPhones are they?
It's definitely important to be able to make and receive calls from your phone,
YORUGE. Let's get your iPhone back up and running ASAP. I have sent a private message for further assistance. I look forward to your reply.
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