wmisdnmon logs the 5 latest calls for your ISDN line. You can click in a number logged to see details about calls. It use the isdninfo daemon distributed with kisdnmon (a similar application for kde). wmisdnmon don't use the 14lmon daemon (you can disable it).
wmisdnmon is a property of wmisdnmon respective authors, vendors and developers. You can download wmisdnmon for your hardware. If you want to use wmisdnmon for other purpose, Please contact the authors, vendors and developers of wmisdnmon.