Below are listed various ways for submitting a complaint to the FCC. There are two types of complaints:
A formal complaint -- this involves litigation with the use of an attorney.

An informal complaint -- which is what we as consumers usually would do.
When a consumer files a complaint with the FCC, the FCC will contact the entity the complaint is filed against and a reply is expected within 30 days.What areas are handled by the FCC for complaints? I list the primary ones below.
Closed captioning on TV
Telecommunications relay service
Hearing aid compatible wireline phones with amplification
Captioning on TV when there is an emergency situation How to submit a complaint:

By voice telephone 1-888-225-5322
By fax 1-888-418-1414
By a TTY 1-888-835-5322By email fccinfo@fcc.govBy mail Federal Communications Commission
Consumer and Government Affairs Bureau
445 12th Street, SW
Washington, DC 20554