- Brief for respondent MCI, Inc.
- Brief for respondents BellSouth and SBC in support of petitioners
- Brief for respondents Earthlink, Inc., Brand X Internet Services, and Center for Digital Democracy
- Brief for respondents the Verizon Telephone Cos. et al. in support of reversal
- Brief for the cable industry petitioners
- Brief for the federal petitioners
- Reply brief for respondents the Verizon Telephone Cos. et al. in support of reversal
