Tracing the connections

[Mohamed Ishak]

dear All I have to made the data transaction,when the connection will be made ,connections means dial-up network beteween two systems.suppose the system A dialed then the system b will accept the connection and send the file,data to systema .now what i think,i think to create the service when the connection will be made it will activate,now my question is ,how can i know the connection is establishing,means the how cani know the incoming connections is currently connected or not from vb.net and also i want to get both ipaddress.if anybody can help me .thats very usefull for me Ishak