(= IP Multimedia Subsystem
= IP Multimedia Core Network Subsystem,
"IP multimeediumi (tuumvõrgu)alamsüsteem")

olemus
multimeediumiteenuste andmise arhitektuuri karkass,
taotleb nutitelefoni kaudu antavate
IP-põhiste teenuste standardimist
= a standardised architectural framework for delivering IP multimedia services

ülevaateid
https://en.wikipedia.org/wiki/IP_Multimedia_Subsystem

http://www.tele.pw.edu.pl/~mareks/eims/IMS_an_overview-1.pdf

https://www.itu.int/dms_pub/itu-t/oth/06/5B/T065B0000140013PDFE.pdf

standard
https://www.itu.int/rec/dologin_pub.asp?lang=f&id=T-REC-J.366.0-200611-I!!PDF-E&type=items