Imessage Problems
I can imessage contacts in my phone apart from one contact, this problem has only happened the last day or two. It turns green to send as text message but the message is never received by the other person. I can imessage other contacts though. He can imessage me but not me him, nor does facetime work.
I've turned my imesssage on / off, re-boooted phone etc. Any other suggestions?
iPhone 5, iOS 7.0.6