Behavior Engineering for Hindrance Avoidance (behave)
Datagram Congestion Control Protocol (dccp)
Emergency Context Resolution with Internet Technologies (ecrit)
Telephone Number Mapping (enum)
Internet Emergency Preparedness (ieprep)
Middlebox Communication (midcom)
Multiparty Multimedia Session Control (mmusic)
Network File System Version 4 (nfsv4)
Next Steps in Signaling (nsis)
Remote Direct Data Placement (rddp)
Reliable Multicast Transport (rmt)
Robust Header Compression (rohc)
Reliable Server Pooling (rserpool)
Session Initiation Protocol (sip)
Session Initiation Proposal Investigation (sipping)
TCP Maintenance and Minor Extensions (tcpm)
Transport Area Working Group (tsvwg)
Centralized Conferencing (xcon)
Groups that did not meet at IETF 61
Link-Enhancing Transport Intermediary Communication (letic)
Media Gateway Control (megaco)
Path Maximum Transmission Unit Discovery (pmutd)
Speech Services Control (speechsc)
Service in the PSTN/IN Requesting InTernet Service (spirits)