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A comment on Why voice calls on 4g may suck at first. Parent comment

Re:Why voice calls on 4g may suck at first by lucaspiller on Tuesday October 02, 2012 @12:58PM (#4602950)
Interesting... I'm actually in Europe, and the phone line is on the back of the cable modem, so if there is a combined power failure we are out of luck...
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Re:Why voice calls on 4g may suck at first by pixelcort on Tuesday October 02, 2012 @01:11PM (#4603038)
My cable modem has an internal battery backup (Comcast Business in California); if you unplug your modem does the phone still work?
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