Welcome to the IP Multimedia Subsystem's (IMS) web-portal! 

Presentation: ims_purposes.pptx

IMS levels: 14_01sm.jpg

Open IMS: 0610jngn1.pdf

Softswitch and IMS: 2010-007-pp.pdf

IMS recommendations: ims_recommendations.pdf

IMS lections (from page 129): mss.pdf © D. Davronbekov

 St. Petersburg University's laboratory: sotsbi_mtuci_poligon.ppt 

IMS elements description: ims_desc.doc