I just brought iPhone 4 and iMessage won't use my number only my email

IMessage won't use my number only my email. Its not giving me the option to use my number only my email and its saying "waiting for activation" but i can still text but only with email what do i do i've tried everything?

Actually, you should confirm the opposite users also use the ios device,

anyway, you should remember to pick up the best cases to protect your iphone 4

http://www.accessbuy.com/wholesale-iPhone-4-Cases_4.html