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