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       If your power fails or your internet connection 
      goes down then your stuffed I'm afraid until they come back 
      The only way you might still be able to use VoIP 
      under these conditions is if you have juice in your laptop battery and 
      your regular phone line is still up so that you can dial out. Probably 
      only worthwhile considering this if you have an international call to make 
      and it's urgent...and you're tight!  
 
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