Call waiting with “Caller ID” uses a special signal in
order to warn you about an incoming call, during another call there are shown the
name and number of the calling subscriber on the display. The function also
allows switching between two calls.
Asiasoft Software Technology Co.,Ltd (Asiasoft) was founded at the beginning of 2000, whose main business focuses in China. It owns multi-stock shared firms in Beijing, Shenyang and Hongkong.