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UMTS Subscriber Identity Module
Universal Subscriber Identity Module
a module similar to the SIM in GSM/GPRS networks, but with additional capabilities suited to 3G networks.
NISTIR 7250 under UMTS Subscriber Identity Module
NISTIR 7387 under UMTS Subscriber Identity Module
Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.
Comments about the glossary's presentation and functionality should be sent to firstname.lastname@example.org.
Also see Draft NISTIR 7298 Rev. 3 for additional details.