oRTP

oRTP 참고자료 : 

http://blog.daum.net/knightofelf/184

http://download.savannah.gnu.org/releases/linphone/ortp/docs/

http://www.linphone.org/eng/documentation/dev/ortp.html

http://icapeople.epfl.ch/thiran/CoursED/RTP.pdf

http://vip.cs.utsa.edu/classes/cs6593f2002/laboratories/rtpInfo/Example1.html