That is how ViCiDial Predictive Dialer user interface looks like.
It requires the telemarketer to know and enter logon user, password, then extension and password, and not to forget to run the softphone first.
It also require the softphone to be installed and configured on every station in the contact center, and make changes very difficult.
Softphone that require to run when using ViCiDial Predictive Dialer alone: