Open Source PNX is a full-featured fusion TDM and H.323 IP PBX supporting a wide variety of telephony interfaces and providing a simple API for developing customer IVR applications, CRM applications, telephony drivers, etc.
开源PNX 是一个功能完整的TDM 和H.323 IP PBX,支持广泛的技术接口,提供了一个简单的API来开发定制的IVR 应用程序,CRM应用程序,电话驱动程序,等等。
来源: http://sourceforge.net/projects/pnx/