Answer:
★ Mobile Subscriber Integrated services Digital Network Number, a unique number identifying a subscription in a GSM / UMTS mobile network.
★ It is the telephone number of the SIM card in a mobile phone.
★ MSIDN and IMSI are important numbers used to identify a mobile subscriber
★ MSIDN is used for routing the calls to the subscriber, where as IMSI identifies the SIM.
★ In the HLR, the IMSI is the key, and MSIDN is the number that is dialed for connecting a call to the mobile phone.
★ It is the telephone number of the SIM card in a mobile phone.
★ MSIDN and IMSI are important numbers used to identify a mobile subscriber
★ MSIDN is used for routing the calls to the subscriber, where as IMSI identifies the SIM.
★ In the HLR, the IMSI is the key, and MSIDN is the number that is dialed for connecting a call to the mobile phone.
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