Why does my iPad to iPad say it is connecting but fails when using face time?

[iMore Question]

iPad to iPad it says connecting but fails when using face time.

Turned FaceTime off and on again and restarted iPads still says connecting but fails.

 

[kch50428]

Re: iPad to iPad it says connecting but fails when using face time.

https://support.apple.com/en-us/TS3367