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Which layer 4 protocol is typically used to send voice traffic?
TCP
RTP
RTM
UDP
It is stateless, suitable for very large numbers of clients, such as in streaming media applications such as IPTV. The lack of retransmission delays makes it suitable for real-time applications such as Voice over IP. Ref: https://en.wikipedia.org/wiki/UserDatagramProtocol. Edit: RTP typically runs over User Datagram Protocol (UDP). RTP is used in conjunction with the RTP Control Protocol (RTCP). While RTP carries the media streams (e.g., audio and video), RTCP is used to monitor transmission statistics and quality of service (QoS)
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