For over a year now, incoming calls from family members located in two different states are usually (~95%) misrouted to someone else's phone number, mostly to voice mail. My landline phone would ring, but no one would be on the other end. When this occurs, my SOP is to call them back, which always works.
At first I had suspected that there was an issue between service providers since my family has Spectrum voice and I have Fios Digital Voice. However, when I now call my home phone from my cell phone (service provider Google Fi), the call sometimes doesn't get through (home phone would ring, but call wouldn't connect). Also, I have been experiencing issues when using multi-factor authentication with financial institutions. My home phone would ring, but when I picked up the caller wasn't the automated response from the financial institution. The MFA issue usually occurred on weekends and seemed to clear up by Mon or Tue the following week.
Last year I had spent over an hour with a Verizon service rep via chat trying to resolve this issue. Their conclusion was that it was most likely a Spectrum problem. Since I now have the same experience with Google Fi (T-Mobile?), I believe something is amiss on the Verizon Fios side.
Updating my old ONT didn't resolve the issue, so I don't believe it is a customer premises issue.
Can anyone advise on how to get this issue resolved?
