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)
Multiparty Multimedia Session Control (mmusic)
Network File System Version 4 (nfsv4)
Next Steps in Signaling (nsis)
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)
VoIP Peering and Interconnect (voipeer)
Centralized Conferencing (xcon)
Groups that did not meet at IETF 63
IP Telephony (iptel)
Media Gateway Control (megaco)
Middlebox Communication (midcom)
Remote Direct Data Placement (rddp)
Speech Services Control (speechsc)