Lawford said there are currently no regulations setting standards for how long Canada's cellphone systems should be able to operate in an emergency. (Christopher Gargus/CBC)Questions about the reliability of Canada's cellphone systems in an emergency come after tornadoes touched down in the Ottawa-Gatineau area on Sept. 21. "I'm sure that a lot of cellphone batteries drained before the signal went away." When asked why its network doesn't use backup batteries that last longer, Buu said the existing batteries can handle most outages. "Bell's wireline and wireless networks are equipped with extensive emergency backup power supplies in the event of power outages.

Source: CBC News September 30, 2018 08:00 UTC