title: Websocket or WebRTC for chat application?
body: <p>1) websocket protocol can send and receive voice and video call?</p>
  
  <p>2) web RTC can send and receive  text message ?</p>
  
  <p>3) websocket or webRTC whom has more secure for use in chat application ?</p>
  
  <p>4)  what is difference between video call and streaming video ?</p>
  
  <p>5) websocket or webRTC whom are faster in communication ? ( send and receive text message , voice and video call )</p>
  
  <p>6) can we use from websocket and webRTC in same application together ?</p>
  
  <p>Thank you very much .</p>