This Technical Services Bulletin (TSB) provides guidance to the Responsible Party (as defined in Federal Communications Commission (FCC) rules 47CFR Part 68) who wishes to achieve approval of telecommunications terminal equipment (TTE) for connection to the US. public switched telephone network by the Supplier's Declaration of Conformity (SDoC) or Telecommunication Certification Body (TCB) methods.

Readers should also refer to other documents listed in the section 2 References below, since this TSB does not contain:

- Terminal equipment requirements (refer to TIA/EIA/IS-968, TIA/EIA/IS-883, and T1.TRQ.6-2001)

- Equipment labeling information (refer to TSB-168)

- Terminal equipment testing methodology (refer to TSB-31 B)

- TTE database filing guidelines

- Information on the design or engineering of terminal equipment

- Issues beyond telecom, such as product safety or electromagnetic compatibility (EMC)