AntiBlock PC-DialerSupported speech Codecs
G729, G723.1, GSM, G711
Embedded VoIP Tunnel proprietary technology for making and receiving calls from behind VoIP blockades/firewalls, for example in countries where voice over IP is banned.
Customizable interface (on request)
Branding â€“ own logo/company name, icon
Support for Windows 2000, XP, 2003, Vista, 2008 and Windows 7