For each RTP stream that a sender is transmitting, the sender also makes and transmits resource-description packets. These packets comprise information regarding the source, for instance e-mail tackle on the sender, the sender’s name and the appliance that generates the RTP stream. RFC 3550 RTP July 2003 Mixers and translators https://net33-rtp88776.onesmablog.com/everything-about-net33-rtp-70174177