PRTX(P2P Real Time eXchange)是纵横推出的以C++开发的即时通讯和P2P开发包，由一套易用的控件和DLL组成，全套功能包括好友列表，上下线管理，即时文字通讯，语音通讯，视频通讯，文件传输，IP电话等即时通讯功能。 PRTX 使开发者仅需通过C#，VB，Delphi等开发工具，就可以在一周左右时间个性化定制出各式的即时通讯工具。-PRTX (P2P Real Time eXchange) is introduced to C++ development aspect of instant messaging and P2P development kit, a set of easy to use controls and DLL components, a full list of features including friends, on the lower level management, instant text messaging, voice communications, video communication, file transfer, IP telephony, instant messaging capabilities. PRTX allow developers only through VB, Delphi, C# development tool, you can customize a variety of instant messaging tools in a week or so personalized.