MacRumors.com

A number of iPhone 3G S customers in the U.S. are reporting problems activating their new purchases for use. According to a message displayed during the activation process, it may take up to 48 hours for activations to go through.

Due to current iPhone activation volumes, it may take up to 48 hours to resolve your issue. We will send a confirmation to {e-mail address redacted} once your activation is complete. We apologize for any inconvenience this causes. You can set up your iPhone and enjoy features that do not require access to the AT&T network. To get started, please disconnect and then reconnect your iPhone.

Several MacRumors forum members have reported that they have had success by calling AT&T and having a representative assist them with activation, while others have reported that AT&T representatives have simply told them that nothing can be done to speed up the process.