Originally Posted by
gfunkdave
iPhones use their mobile number as a unique identifier for FaceTime service. When you remove the SIM, the phone no longer has a number that it can use to identify you to the FaceTime service.
Try taking out your SIM at home, connecting to your home wifi network, and viewing a contact whom you know has a FaceTime-compatible device. I think there's a "FaceTime" button in the contact info - click it and see if it works.
If it doesn't work, I think there's a standalone FaceTime app for iPads and iPod Touches that uses email address as the unique identifier. Try downloading that. You might need to re-add contacts or some such.
Thank you! I tried the first bit, wifi, Facetime contact, and it just didn't work. I shall give the second suggestion a go - I figured there was probably some way, as the Touch doesn't have a phone number associated. An app with email sounds like a simple solution and there are only a couple of people I would need to add, so not too much hassle either! Thanks!