Demonstrates how to open a line and get general information

一套开源CTI代码，希望对学习CTI技术的朋友有所帮助-CTI set of open source code, and hope to learn CTI technology friends help

基于 TAPI 的一个应用实例，演示了如何拨号、挂断、应答等操作。-This is a sample TAPI application which tests various aspects of TAPI. It can open multiple lines and provides support for agent features if connected to a TAPI 2.1 or 3.x service provider. It is similar in nature