IMS is a multiple network / vendor inventory and not restricted to one type of network. The software is completely vendor and network platform independent.
Examples are: MPLS/IP, SDH, SONET, WDM/OTN, Fiber, GPON, Ethernet, Mobile Core, Backhaul and RAN (2G, 3G, 4G), Microwave, Broadcasting, Subsea cable, VSAT, ATM, Voice, DCN and Synchronisation. Users with appropriate permissions can model equipment with the correct slots, sub-slots, cards and ports. No need for a new IMS software version in case of a new network or network vendor.