ISIM or iSIM may refer to: * International Society for Invertebrate Morphology * Institute for the Study of International Migration *

IP Multimedia Services Identity Module An IP Multimedia Services Identity Module (ISIM) is an application residing on the Universal integrated circuit card, UICC, an Integrated circuit, IC card specified in TS 31.101. This module could be on a UMTS 3G or IP Multimedia Subsystem, IMS LTE ...

Integrated Science Instrument Module Integrated Science Instrument Module (ISIM) is a component of the James Webb Space Telescope, a large international infrared space telescope launched on . ISIM is the heart of the JWST, and holds the main science payload which includes four scienc ...

* iSIM (subscriber identity module), a type of SIM directly integrated into a device's chipset

See also