CallClerk has lots more feature, here's what else it it can do for you

» e-mail your service provider's sms gateway to get a text on your cell phone or a page on your
numeric or alphanumeric pager (note: your provider may charge extra for these services)
» publish your directory and call history to your own password protected web site
» automatically link to an internet reverse phone lookup service
» run other software programs or batch files when a call is received
» supports passing multiple arguments such as caller id name and caller id number
» let you view, search and print your directory and call history
» log calls to your Windows' event log
» export your directory and history data to comma separated value (csv) file, and
import your directory from a csv file or from Outlook