log
https://janus.conf.meetecho.com/siptest.html
vi conf/directory/default.xml
deldete ${verto_contact(${dialed_user}@${dialed_domain})}
http://freeswitch.net.cn/119.html
https://download.csdn.net/download/bosonexpress/4778589
WebSocket Server URL wss://8.134.56.226:7443
SIP outbound Proxy URL udp://8.134.56.226:15060
ICE Servers [{url:'stun:8.134.56.226:3478'},{url:'turn:8.134.56.226:3478', username:'test', credential:'test123'}]