Calling Card Online

If you are an existing AT&T Universal Card holder, you can register or login to your account at www.universalcard.com.

Excerpt from: 
www.universalcard.com | The AT&T Universal Card Web Site for …

Customers can add Push to Talk to their service plans by calling 1-800-VZW-4BIZ or online via My Business Account at www.verizonwireless.com/myverizon or Verizon Enterprise Center at https://enterprisecenter.verizonbusiness.com/. …

Here is the original:
Verizon Wireless Announces Push-to-Talk for BlackBerry Tour 9630 …