Mrs. McClusky was speaking on her cordless phone while the power was out. The issue is that cordless phones need power to the base to work. With the power out, there's no way her cordless phone would work.
When Gaby is eating her toaster waffle and talking to Victor, the position of her hand changes and the bite in her waffle goes from the top corner to the bottom corner on the opposite side several times between the different frames.