| 10006 | Automatic SIP Trunking and PeeringK. Inamdar, S. Narayanan, C. Jennings | Proposed Standard | August 2026 |
| 9429 | JavaScript Session Establishment Protocol (JSEP)J. Uberti, C. Jennings, E. Rescorla, Ed. | Proposed Standard | April 2024 |
| 9335 | Completely Encrypting RTP Header Extensions and Contributing SourcesJ. Uberti, C. Jennings, S. Murillo | Proposed Standard | January 2023 |
| 9143 | Negotiating Media Multiplexing Using the Session Description Protocol (SDP)C. Holmberg, H. Alvestrand, C. Jennings | Proposed Standard | February 2022 |
| 9039 | Uniform Resource Names for Device IdentifiersJ. Arkko, C. Jennings, Z. Shelby | Proposed Standard | June 2021 |
| 8870 | Encrypted Key Transport for DTLS and Secure RTPC. Jennings, J. Mattsson, D. McGrew, D. Wing, F. Andreasen | Proposed Standard | January 2021 |
| 8843 | Negotiating Media Multiplexing Using the Session Description Protocol (SDP)C. Holmberg, H. Alvestrand, C. Jennings · obsoleted by RFC 9143 | Proposed Standard | January 2021 |
| 8837 | Differentiated Services Code Point (DSCP) Packet Markings for WebRTC QoSP. Jones, S. Dhesikan, C. Jennings, D. Druta | Proposed Standard | January 2021 |
| 8829 | JavaScript Session Establishment Protocol (JSEP)J. Uberti, C. Jennings, E. Rescorla, Ed. · obsoleted by RFC 9429 | Proposed Standard | January 2021 |
| 8723 | Double Encryption Procedures for the Secure Real-Time Transport Protocol (SRTP)C. Jennings, P. Jones, R. Barnes, A.B. Roach | Proposed Standard | April 2020 |
| 8428 | Sensor Measurement Lists (SenML)C. Jennings, Z. Shelby, J. Arkko, A. Keranen, C. Bormann | Proposed Standard | August 2018 |
| 8224 | Authenticated Identity Management in the Session Initiation Protocol (SIP)J. Peterson, C. Jennings, E. Rescorla, C. Wendt | Proposed Standard | February 2018 |
| 7904 | A SIP Usage for REsource LOcation And Discovery (RELOAD)C. Jennings, B. Lowekamp, E. Rescorla, S. Baset, H. Schulzrinne, T. Schmidt, Ed. | Proposed Standard | October 2016 |
| 7624 | Confidentiality in the Face of Pervasive Surveillance: A Threat Model and Problem StatementR. Barnes, B. Schneier, C. Jennings, T. Hardie, B. Trammell, C. Huitema, D. Borkmann | Informational | August 2015 |
| 6940 | REsource LOcation And Discovery (RELOAD) Base ProtocolC. Jennings, B. Lowekamp, Ed., E. Rescorla, S. Baset, H. Schulzrinne | Proposed Standard | January 2014 |
| 6216 | Example Call Flows Using Session Initiation Protocol (SIP) Security MechanismsC. Jennings, K. Ono, R. Sparks, B. Hibbard, Ed. | Informational | April 2011 |
| 6072 | Certificate Management Service for the Session Initiation Protocol (SIP)C. Jennings, J. Fischl, Ed. | Proposed Standard | February 2011 |
| 5727 | Change Process for the Session Initiation Protocol (SIP) and the Real-time Applications and Infrastructure AreaJ. Peterson, C. Jennings, R. Sparks | Best Current Practice | March 2010 |
| 5626 | Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)C. Jennings, Ed., R. Mahy, Ed., F. Audet, Ed. | Proposed Standard | October 2009 |
| 5341 | The Internet Assigned Number Authority (IANA) tel Uniform Resource Identifier (URI) Parameter RegistryC. Jennings, V. Gurbani | Proposed Standard | September 2008 |
| 5039 | The Session Initiation Protocol (SIP) and SpamJ. Rosenberg, C. Jennings | Informational | January 2008 |
| 4976 | Relay Extensions for the Message Sessions Relay Protocol (MSRP)C. Jennings, R. Mahy, A. B. Roach | Proposed Standard | September 2007 |
| 4975 | The Message Session Relay Protocol (MSRP)B. Campbell, Ed., R. Mahy, Ed., C. Jennings, Ed. | Proposed Standard | September 2007 |
| 4904 | Representing Trunk Groups in tel/sip Uniform Resource Identifiers (URIs)V. Gurbani, C. Jennings | Proposed Standard | June 2007 |
| 4787 | Network Address Translation (NAT) Behavioral Requirements for Unicast UDPF. Audet, Ed., C. Jennings | Best Current Practice | January 2007 |
| 4770 | vCard Extensions for Instant Messaging (IM)C. Jennings, J. Reschke, Ed. · obsoleted by RFC 6350 | Proposed Standard | January 2007 |
| 4474 | Enhancements for Authenticated Identity Management in the Session Initiation Protocol (SIP)J. Peterson, C. Jennings · obsoleted by RFC 8224 | Proposed Standard | August 2006 |
| 4458 | Session Initiation Protocol (SIP) URIs for Applications such as Voicemail and Interactive Voice Response (IVR)C. Jennings, F. Audet, J. Elwell | Informational | April 2006 |
| 3325 | Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted NetworksC. Jennings, J. Peterson, M. Watson | Informational | December 2002 |