When trying to FaceTime another iPhone 4 does the other iPhone need to be set up with FaceTime?

[iMore Question]

Trying to FaceTime another iPhone 4

the icon is grey so and only gives me the option to ring what do I need to do to set face Time up dose the other iPhone need to be set up ?

 

[nikkisharif]

Re: Trying to FaceTime another iPhone 4

Yes the other iPhone needs to be setup