C) Tech Support
  1. Make a call
  2. Receive a call
  3. Roaming
  4. Carrier Selection
  5. Switch SIM Cards
  6. Calling Card
    • DialĀ 800-172-444 (e.g., from Italy payphone)
D) Airports
  1. Frankfurt
  2. Hong Kong
  3. Milan
  4. Munich
  5. Rome