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  • When I attempt to register my phone number through my DVC-1000 device I receive an error stating that the phone number is already registered. What can I do to correct this? Lire la réponse
  • Which selection should I make in the Public IP screen on my DVC-1000? Lire la réponse
  • Why do I see a black screen when I try to call out to another videophone unit? Lire la réponse