noun
International Mobile Subscriber Identity; IMSI
Technical term used in mobile telecommunications to uniquely identify a subscriber. Often abbreviated as IMSI in English contexts.
移動加入者識別番号はSIMカードに保存されている。
The International Mobile Subscriber Identity is stored on the SIM card.
A compound of 移動 (mobile), 加入者 (subscriber), 識別 (identification), and 番号 (number), directly translating the English term International Mobile Subscriber Identity.