Russian Soviet Federated Socialist Republic/Chukotka

  • Chaunskiy Rayon
  • Bilibinskiy Rayon
  • Anadyrskiy Rayon
  • Providenskiy Rayon
  • Iul’tinskiy Rayon
  • Chukotskiy Rayon

Telephone standard IPBX (voice over IP, VoIP) in Russian Soviet Federated Socialist Republic Chukotka..