As of January 2010, there are 9.2 million land lines, 50 million cellular phones and 143,000 public phones in the country.[2] The domestic telephone trunk network is served by microwave radio relay and a domestic satellite system with 40 earth stations. It carries a monthly traffic of about 1.3 billion local calls, 400 million inter-city calls and around 24 million outgoing international calls.[2]