The Real-Time Transport Protocol (RTP/RTCP): Redundant Audio Data Extensions (RTPRAD) Protocol is a method for encoding redundant audio data for use with the Real-Time Transport Protocol (RTP) Extensions Protocol as specified in [MS-RTPME]. RTPRAD is an extension of RTP Payload for Redundant Audio Data as specified in [RFC2198]. [RFC2198] specifies a payload format for use with the Real-Time Transport Protocol (RTP) as specified in [RFC3550].
Sections 1.8, 2, and 3 of this specification are normative and can contain the terms MAY, SHOULD, MUST, MUST NOT, and SHOULD NOT as defined in RFC 2119. Sections 1.5 and 1.9 are also normative but cannot contain those terms. All other sections and examples in this specification are informative.