There are some legal issues, which have to be considered when planning to implement VoIP (Voice over Internet Protocol). Incorporating or switching to VoIP technology for your organization’s voice communications, can raise technological as well as legal issues. Voice over IP technology has also enlarged security concerns because VoIP technologies have made it more complicated for the government to decide where a target is actually located when communications are being interrupted, and that creates a lot of new legal issues.
Legal Issues in VoIP
Secure Real-time Transport Protocol (SRTP)

Overview
Secure Real-time Transport Protocol (SRTP) is a security protocol for Real-time Transport Protocol (RTP), which is intended to provide replay protection, encryption, and message integrity and authentication to the RTP data in both multicast and unicast networks. In March 2004, Internet Engineer Task Force (IETF) published SRTP has RFC 3711.
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