CallWall is a software "firewall" for your phone. With the help of Caller ID, CallWall can identify calls and regulate them as per your preferences. What's more, CallWall can look up phone numbers online and automatically block calls from tele-marketers and other unpleasant sources.
- Many bug fixes
- SIT tone support
- Improved leopard compatibility
Mac OS X 10.4 or later
Caller ID capable modem
Caller ID service from your telephone service provider