Free Mobile Applications

On May 12th, 2008, a devastating earthquake measured 7.8 (7.9 according to U.S. Geological Survey) on the Richter scale struck Wenchuan County, Sichuan Province in Southwest China.

Mobile VoIP based direct wireless data network requires handsets with powerful hardware and a lot of bandwidth. Most mobile phones are not capable for that. Callback mode are used to bypass these two difficulties.