ZRTP (Z Real-time Transport Protocol) is a protocol designed to provide encryption for Voice over IP (VoIP) calls. It enables secure audio communication by allowing endpoints to negotiate keys for encrypting media streams in real time. Here are some key features and details about ZRTP: 1. **End-to-End Security**: ZRTP provides end-to-end encryption, meaning that audio calls are encrypted from one endpoint to another without needing to rely on a central server for key management.
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