This Technical Services Bulletin (TSB) provides guidance to the Responsible Party (as defined in Federal Communications Commission rules 47 C.F.R. Part 68) who wishes to achieve approval of Telephone Terminal Equipment (TTE) for connection to the U.S. public switched telephone network by the Supplier?s Declaration of Conformity (SDoC) or Telecommunication Certification Body (TCB) methods. Readers may also refer to other documents listed in clause 2 References below, since this TSB does not contain: - Terminal equipment requirements (refer to ANSI/TIA-968-B) -Equipment labeling information (refer to TIA-168-B) - Customer information requirements (refer to ACTA customer information requirements document) - Terminal equipment testing methodology (refer to TSB-31-C) - TTE database filing guidelines (see ACTA Guidelines and Procedures document) - Information on the design or engineering of terminal equipment - Issues beyond telecom, such as product safety or electromagnetic compatibility (EMC)