• 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? Přečtěte si odpověď
  • Which selection should I make in the Public IP screen on my DVC-1000? Přečtěte si odpověď
  • Why do I see a black screen when I try to call out to another videophone unit? Přečtěte si odpověď