AT&T IP Toll-Free Service Technical Support

AT&T IP Toll-Free Service Technical Support

AT&T IP Toll-Free Technical Support Desk is 877-288-8362 Prompt 4, and 1. Alternatively, you can submit a trouble ticket at AT&T Business Center. You need to provide information such as  toll-free number, contact information, nature of the trouble, date and time of caller and calling party’s number.