How long does it take to get messages back and forth to and from the ISS?

Question: How long does it take to get messages back and forth to and from the ISS?
- Keywords:
  communication,
  ISS
Asked by spacefan226 to Andrea, Charlie 🚀, Col Op, Kirsty, Vinita on 13 Jun 2016.
- Andrea Boyd answered on 13 Jun 2016:
  
  No time at all. It’s pretty instant!
- Kirsty Lindsay answered on 14 Jun 2016:
  
  On ISS live stream you can listen in when the astronauts talk to the ground it’s just like a normal conversation, although rather technical and scientific ( most of the time)
  
  http://www.ustream.tv/channel/live-iss-stream

spacefan226 commented on 14 Jun 2016:

I mean, if Tim is talking live on TV, what will the delay be?

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- Andrea commented on 15 Jun 2016:
  
  We add a small delay for live TV of about 5 seconds
  
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  - spacefan226 commented on 16 Jun 2016:
    
    Thank you 😉
    
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Question: How long does it take to get messages back and forth to and from the ISS?