演示怎样取电话来电显示号码，拨出号码，摘挂机状态，震铃状态,以及怎么进行电话录音。-Demonstration of how to get caller ID phone number, allocated numbers, pick onhook state, Chun-ling state, as well as how to conduct telephone recording.

三汇录音卡的录音源码增加了将来电号码写数据库-Sanhui source recording card recording an increase of the Caller ID to write the database