I have been to Verizon Wireless 3 times trying to get this resolved over the last few weeks. (2) times I was told that I would be called back after they monitored my phone for 24 hours.
There are 2 Verizon Wireless phones in the house. (1) S20 Ultra 5g & (1) A51.
The S20 isn't receiving all calls and text randomly will not send or I will never receive.
I just found out on my own that if you have a DNS adblocker on your network that certain Verizon domains need to be whitelisted. I have added (3) that I found in an old 3 year old forum. I have also seen something about allowing certain ports but nothing is from an official source. Where is the official post saying what is required?
Happy Tuesday! Being on top of your account is crucial, especially if you are encountering technical dilemmas. Verizon is here to help.
Let's gather more details. When did the problem start? What recent changes have you made? Who else is experiencing this problem? Aside from the calls and text, any other issues (example: data)?
~Gilbert
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