SannySoft Caller ID is a small utility, which uses your modem to determine Caller ID. It has a various number of alert types, so you can select most likely. Program saves all calls so you can view list of calls at any time. SannySoft Caller ID includes its own Phone Book, where you can configure to block unwanted calls such as telemarketer calls. SannySoft Caller ID has an easy interface, so you need just to setup it and use.