my daughter is able to face time me with her ipod touch while we're at home;However, if I am somewhere else I not able to face time with her. my is able to face time her cousins but not my Iphone.
My daughter is able to face time my iphone while we are both at home using the same wi-fi. but when I am away from home, I am not able to face time her ipod touch.
She has no trouble face timing her cousins Ipad mini.
iPhone 4S, iOS 6.1.4