| 9901 | Selective Disclosure for JSON Web TokensD. Fett, K. Yasuda, B. Campbell | Proposed Standard | November 2025 |
| 9470 | OAuth 2.0 Step Up Authentication Challenge ProtocolV. Bertocci, B. Campbell | Proposed Standard | September 2023 |
| 9449 | OAuth 2.0 Demonstrating Proof of Possession (DPoP)D. Fett, B. Campbell, J. Bradley, T. Lodderstedt, M. Jones, D. Waite | Proposed Standard | September 2023 |
| 9440 | Client-Cert HTTP Header FieldB. Campbell, M. Bishop | Informational | July 2023 |
| 9396 | OAuth 2.0 Rich Authorization RequestsT. Lodderstedt, J. Richer, B. Campbell | Proposed Standard | May 2023 |
| 9126 | OAuth 2.0 Pushed Authorization RequestsT. Lodderstedt, B. Campbell, N. Sakimura, D. Tonge, F. Skokan | Proposed Standard | September 2021 |
| 8707 | Resource Indicators for OAuth 2.0B. Campbell, J. Bradley, H. Tschofenig | Proposed Standard | February 2020 |
| 8705 | OAuth 2.0 Mutual-TLS Client Authentication and Certificate-Bound Access TokensB. Campbell, J. Bradley, N. Sakimura, T. Lodderstedt | Proposed Standard | February 2020 |
| 8693 | OAuth 2.0 Token ExchangeM. Jones, A. Nadalin, B. Campbell, Ed., J. Bradley, C. Mortimore | Proposed Standard | January 2020 |
| 8591 | SIP-Based Messaging with S/MIMEB. Campbell, R. Housley | Proposed Standard | April 2019 |
| 8583 | Diameter Load Information ConveyanceB. Campbell, S. Donovan, Ed., JJ. Trottin | Proposed Standard | August 2019 |
| 7957 | DISPATCH-Style Working Groups and the SIP Change ProcessB. Campbell, Ed., A. Cooper, B. Leiba | Best Current Practice | August 2016 |
| 7683 | Diameter Overload Indication ConveyanceJ. Korhonen, Ed., S. Donovan, Ed., B. Campbell, L. Morand | Proposed Standard | October 2015 |
| 7523 | JSON Web Token (JWT) Profile for OAuth 2.0 Client Authentication and Authorization GrantsM. Jones, B. Campbell, C. Mortimore | Proposed Standard | May 2015 |
| 7522 | Security Assertion Markup Language (SAML) 2.0 Profile for OAuth 2.0 Client Authentication and Authorization GrantsB. Campbell, C. Mortimore, M. Jones | Proposed Standard | May 2015 |
| 7521 | Assertion Framework for OAuth 2.0 Client Authentication and Authorization GrantsB. Campbell, C. Mortimore, M. Jones, Y. Goland | Proposed Standard | May 2015 |
| 7068 | Diameter Overload Control RequirementsE. McMurry, B. Campbell | Informational | November 2013 |
| 6755 | An IETF URN Sub-Namespace for OAuthB. Campbell, H. Tschofenig | Informational | October 2012 |
| 4975 | The Message Session Relay Protocol (MSRP)B. Campbell, Ed., R. Mahy, Ed., C. Jennings, Ed. | Proposed Standard | September 2007 |
| 4662 | A Session Initiation Protocol (SIP) Event Notification Extension for Resource ListsA. B. Roach, B. Campbell, J. Rosenberg | Proposed Standard | August 2006 |
| 3824 | Using E.164 numbers with the Session Initiation Protocol (SIP)J. Peterson, H. Liu, J. Yu, B. Campbell | Informational | June 2004 |
| 3428 | Session Initiation Protocol (SIP) Extension for Instant MessagingB. Campbell, Ed., J. Rosenberg, H. Schulzrinne, C. Huitema, D. Gurle | Proposed Standard | December 2002 |
| 3087 | Control of Service Context using SIP Request-URIB. Campbell, R. Sparks | Informational | April 2001 |