Hi, currently i am doing an application which use external modem to communicate with another modem. I am facing a problem that how to communicate with the modem which require username and password. The step i had tested was created a dial-up connection in first modem. The dial-up connection require me to insert the username, password and phone number. So i inserted all the parameters and can be connected with the second modem. The second modem was set an incoming call which is waiting an call with the correct username and password then only establish the connection. So how i started to do this application in labview ? i have search all the web but very less information about this. Can anyone help me ? I have attached the Incoming call setting photo.Thank you