RAS Dialing Connection Technique Based on VC++ And Its Application

With the rapid development of net,the needs of net are increasing more and more in organizations.Although the remote communication can be implemented by internet,most of the enterprises in medium or small scale often choose conventional direct dialing mode to realize remote communication for cost.This paper introduces the RAS technique and its linking modes,and chooses the DUN mode to implement the remote communication with modems and telephone lines.It also illustrates the realization of RAS dialing connection with RAS API on the platform of Windows 2003 Server and VC++.Last,this technique is applied in an industrial fire protection remotecontrol system.