Hi Gary, thanks for your post. Our phones our locked to our network, so you would not be able to purchase one and immediately move it to AT&T. We currently don’t offer the Doro as an option, but we do have our Consumer Cellular Link II as an option. You can more details on this...
they must be sufficiently tested to ensure that they succeed. In the Denver incident, radio systems had rubidium clocks for backup, but they drifted too far during the outage to be useable, whereas cellular networks, with alternate terrestrial timing sources, continued to work. Terrestrial time di...