Ipad3 retina display In settings under face time there is no on/off button. It asks for my apple id and password but when it goes to verify it will not let me in. It has evne come up with it saying Check internet connection but that is all good and I can log in with my apple id into itunes and install apps with it so it isnt the Id. i also reset my password just in case it was that also???
Using FaceTime http://support.apple.com/kb/ht4319
Troubleshooting FaceTime http://support.apple.com/kb/TS3367
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To send messages to non-Apple devices, check out the TextFree app https://itunes.apple.com/us/app/text-free-textfree-sms-real/id399355755?mt=8
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You can check the status of the FaceTime/iMessage servers at this link.