Another anecdotal piece of evidence, my wife switched to Fi from ATT, I stayed on ATT. It's extremely common for my calls not to register on her phone, it just

Another anecdotal piece of evidence, my wife switched to Fi from ATT, I stayed on ATT. It's extremely common for my calls not to register on her phone, it just rings through to voicemail and she gets nothing showing on her Nexus. We've also had issues where text messages were delayed by hours, with no indication that it didn't go through. It's cheap, but I guess you get what you pay for, we're in a major metro area.