Real-time Transport Protocol manages data delivery from one endpoint of the communication to another with real-time features.
Open this page: http://ozekiphone.com/what-is-rtp-real-time-transport-protocol-321.html
RTP is defined as a standard packet format that is responsible for transmitting multimedia data.
Network and transfer protocols can apply Real-time Transport Protocol. Particularly communication and entertainment systems apply RTP when they use telephoning, video conferencing and click-to-call functionalities.