[Asterisk-Users] Comfort noise support incomplete in Asterisk (...

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Describe

rfc 3389 comfort noise The comfort noise payload, which is also known as a Silence Insertion Descriptor (SID) frame, consists of a single octet description of the noise level and MAY contain spectral information in subsequent octets..

tk sv388 trang chủ This document describes a Real-time Transport Protocol (RTP) payload format for transporting comfort noise (CN). The CN payload type is primarily for use with audio codecs that do not support comfort noise as part of the codec itself such as ITU-T Recommendations G.711, G.726, G.727, G.728, and G.722.

t ly hb88 app Introduction Comfort noise (CN) is widely used in real time communication, as it significantly reduces the frequency of RTP packets, and thus saves the network bandwidth, when participants in the communication are constantly actively speaking. One way of deploying CN is through [RFC 3389].