Stays out of way in the system tray until call is received. In this mode it takes minimum system resources. Provides pop up window displaing caller ID information when call is received. Logs calls. Answering machine plays melody, wav-file with your greeting, and records the message. The message files are common wav-files. The answering machine may be configured with max recording time. When you are talking over the phone, you can either listen thetalking through sound card or save it as a wav-file.