1. AC Question's Avatar
    I have selected use wifi, then cell to place a call. I have wifi in my home and have not had trouble like this. The dreaded red phone with a red line through it, meaning broadband is not available?
    02-05-2016 12:41 PM
  2. Rukbat's Avatar
    Does your carrier have wifi voice? Not all do. For those that do, you need voice-grade broadband. If your internet connection has enough phase jitter, it can't be used for voice, although data won't even know about the problem. (Try a site like Visualware to test your connection's quality for voice.)
    02-05-2016 02:19 PM

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