About : Picophone Caller is an IP publisher for Picophone.
Picopone is a great freeware voip phone, to me better from Skype and can be found here.
Picophone caller publish your IP, so another person who use Picophone Caller (and Picophone of course) can call you with one click.
Picophone Caller can be used as a General IP publisher too.
Before downloading take a look at the documentation page.
Pad file for updates can be found here :