#This is a guideline
#to show you how to run turnserver.
first. you need to set some parameters into turnserver.sh.
	extIP: external IP address
	udpport: the binding port of udp socket. default "3478"
	tcpport: the binding port of tcp socket. default "3433"
	realm: a symbol of your company. For example "agora.io"
then. you need to create some users and write them to turnserver.conf.
	the format in turnserver.conf is: 'username=key'.
	you can generate the key by 'echo -n "<username>:<realm>:<password>" | md5sum'.
finally. you can run the turnserver by turnserver.sh.
	usage: ./turnserver.sh [start/stop]
