Possible Duplicate:
How can i implement Push Notification in iphone
How to implement Apple push notification service in iphone.
Thanks in advance
Possible Duplicate:
How can i implement Push Notification in iphone
How to implement Apple push notification service in iphone.
Thanks in advance
Read Apple's documentation on push notifications and how to implement them.
Follow the documentation and you're done.
Come back here with specific questions if you encounter problems you can't solve on your own.