Bti

Bti is listed under the Long Distance Telephone Services category (which is under the following categories: Telecommunications & Wireless -> Telephone Communications, Except Radiotelephone). They serve both B2B (business to business) and B2C (business to consumer) needs. They are located at 9300 Harris Corners Parkway in Charlotte, North Carolina.
Mobile and regular directions can be viewed below as well as their phone number, ratings, website (when listed).