Factory Reset

If you've spent enough time in the 3G iPhone Settings application, your phone may not seem like it was new out of the box. It's okay, because the iPhone 3G you need as an individual like you. However, if you've gone too far with your customization, iPhone 3G You might feel a little strange and uncomfortable. That's okay too, because there is an easy solution to this problem: You can delete all your adjustments and return the iPhone 3G back to its default settings. Here you can download the first tutorial How Do I Configure My iPhone 3G? In the link below off course

http://media.wiley.com/product_data/excerpt/8X/04704234/047042348X.pdf

This is the way on how to configure call filtering on the Samsung Infuse 4G.
Here we can show you how to regain control over your incoming calls and automatically send the ones you don't want to voicemail

In this tips, we'll show you how to gain a little more control over your incoming calls on a contact-by-contact basis.

1. Open the contact list
2. Scroll until you'll find the contact that you'd like to send straight to voicemail, and tap to open the contact

3.Find and tap on the Send to voicemail option near the bottom of the contact page.
4. A pop-up message will appear and asking if you're sure you want to enable this feature.
5. Just then Tap OK

And you're done! You can do this to as many contacts as you choose and now, only the people you want to be able to reach you directly will have that power.