Deployment PKI over VoIP

It is a simple project Using net phone, for example, OpenPhone and the one in SIPFounder, to communicate between client and receiver is common nowaday. In order to let the receiver confirm the identity of the client, we want to capitalize on the Public key infrastructure (PKI) module over the system. All the module are already exist in the Web. For further informatiom, please send e-mail to us. thank you!