Programming Internet telephony services. - Jonathan D. Rosenberg; Jonathan Lennox; Henning Schulzrinne (IEEE Netw., 1999)

Feature Interaction in Internet Telephony. - Jonathan Lennox; Henning Schulzrinne (FIW, 2000)

Call Processing Language Framework and Requirements. - Jonathan Lennox; Henning Schulzrinne (RFC, 2000)

Towards junking the PBX: deploying IP telephony. - Wenyu Jiang; Jonathan Lennox; Henning Schulzrinne; Kundan Singh (NOSSDAV, 2001)

Interworking internet telephony and wireless telecommunications networks. - Jonathan Lennox; Kazutaka Murakami; Mehmet Karaul; Thomas F. La Porta (Comput. Commun. Rev., 2001)

Common Gateway Interface for SIP. - Jonathan Lennox; Henning Schulzrinne; Jonathan D. Rosenberg (RFC, 2001)

Integrating Internet Telephony Services. - Wenyu Jiang; Jonathan Lennox; Sankaran Narayanan; Henning Schulzrinne; Kundan Singh; Xiaotao Wu (IEEE Internet Comput., 2002)

A protocol for reliable decentralized conferencing. - Jonathan Lennox; Henning Schulzrinne (NOSSDAV, 2003)

Call Processing Language (CPL): A Language for User Control of Internet Telephony Services. - Jonathan Lennox; Xiaotao Wu; Henning Schulzrinne (RFC, 2004)

Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP). - Jonathan Lennox (RFC, 2006)

Source-Specific Media Attributes in the Session Description Protocol (SDP). - Jonathan Lennox; Jörg Ott; Thomas Schierl (RFC, 2009)

A Real-time Transport Protocol (RTP) Header Extension for Client-to-Mixer Audio Level Indication. - Jonathan Lennox; Emil Ivov; Enrico Marocco (RFC, 2011)

A Real-time Transport Protocol (RTP) Header Extension for Mixer-to-Client Audio Level Indication. - Emil Ivov; Enrico Marocco; Jonathan Lennox (RFC, 2011)

Encryption of Header Extensions in the Secure Real-time Transport Protocol (SRTP). - Jonathan Lennox (RFC, 2013)

A Taxonomy of Semantics and Mechanisms for Real-Time Transport Protocol (RTP) Sources. - Jonathan Lennox; Kevin Gross; Suhas Nandakumar; Gonzalo Salgueiro; Bo Burman (RFC, 2015)

Using Codec Control Messages in the RTP Audio-Visual Profile with Feedback with Layered Codecs. - Stephan Wenger; Jonathan Lennox; Bo Burman; Magnus Westerlund (RFC, 2017)

Sending Multiple RTP Streams in a Single RTP Session. - Jonathan Lennox; Magnus Westerlund; Qin Wu; Colin Perkins (RFC, 2017)

Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP). - Jonathan Lennox; Christer Holmberg (RFC, 2017)

Mapping RTP Streams to Controlling Multiple Streams for Telepresence (CLUE) Media Captures. - Roni Even; Jonathan Lennox (RFC, 2021)

Sending Multiple Types of Media in a Single RTP Session. - Magnus Westerlund; Colin Perkins; Jonathan Lennox (RFC, 2021)

Sending Multiple RTP Streams in a Single RTP Session: Grouping RTP Control Protocol (RTCP) Reception Statistics and Other Feedback. - Jonathan Lennox; Magnus Westerlund; Qin Wu; Colin Perkins (RFC, 2021)

The Layer Refresh Request (LRR) RTCP Feedback Message. - Jonathan Lennox; Danny Hong; Justin Uberti; Stefan Holmer; Magnus Flodman (RFC, 2025)

RTP Payload Format for VP9 Video. - Justin Uberti; Stefan Holmer; Magnus Flodman; Danny Hong; Jonathan Lennox (RFC, 2025)