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Which statement describes the purpose of the Payload Type field in the RTP header?
Correct Answer: B
Explanation/Reference: Explanation: PT, Payload Type. 7 bits: Identifies the format of the RTP payload and determines its interpretation by the application. A profile specifies a default static mapping of payload type codes to payload formats. Additional payload type codes may be defined dynamically through non-RTP means. An RTP sender emits a single RTP payload type at any given time; this field is not intended for multiplexing separate media streams. A full list of codecs and their payload type values can be found at the link below: Reference: http://www.networksorcery.com/enp/protocol/rtp.htm