Call Accounting Mate uses port 80 by default. However, if port 80 is occupied by another application such as IIS or other webserver, it defaults to a random port. Each time it runs, the same port or a new port number might be assigned to it. To fix the port number just select Configuration --> Web Config. Under the port select the port which you want to run CAM on. Make sure that the port is not already occupied by another application, otherwise the port number will again be automatically selected by CAM.
keyword : port number, port no. random port