Internet Wideband Audio Codec (codec)
Data for Reachability of Inter/tra-NetworK SIP (drinks)
Emergency Context Resolution with Internet Technologies (ecrit)
Telephone Number Mapping (enum)
Geographic Location/Privacy (geopriv)
Multiple AoR reachabiliTy InformatioN Indication (martini)
Multiparty Multimedia Session Control (mmusic)
Peer-to-Peer Session Initiation Protocol (p2psip)
Sip ALerting for User Devices (salud)
SIP Common Log Format (sipclf)
Session Initiation Protocol Core (sipcore)
Extensible Messaging and Presence Protocol (xmpp)
Groups that did not meet at IETF 78
Authority-to-Citizen Alert (atoca)
Basic Level of Interoperability for SIP Services (bliss)
Call Control UUI Service for SIP (cuss)
Media Server Control (mediactrl)
SIP for Instant Messaging and Presence Leveraging Extensions (simple)
Speech Services Control (speechsc)
Session PEERing for Multimedia INTerconnect (speermint)
looSely-couPLed sIp deviCES (splices)
Centralized Conferencing (xcon)