VoiceGuard Communicator(VGCommunicator) Fully SIP compatible Softphone/Dialer for PC2Phone and PC2PC services Features: Supports branding with custom skin and logo Compatible with Windows 98/Me/2000/XP/2003/Vista NAT/Firewall traversal support Work with any 3rd party SIP Server SIP outbound proxy support Display caller account balance Display call credit time Embed Flash advertisements DTMF tones can be integrated with voice mail or other tone driven systems Multilanguage user interface Integration with customer website Voice Activity Detection Automatic Echo Cancellation Automatic jitter buffer adjustment Last number Redial History of 10 last dialed numbers Quick dial list Quick provision for customers, only user name and password required Auto software update VoiceGuard VoIP anti-blocking engine embedded, widely used in UAE , Asia & Africa ISP blocking VoIP market And we provide customzation Softphone/Dialer service to the VoIP providers. For more info, pls refer to http://www.speed-voip.com/vgcommunicator .html