MSISDN is Mobile Subscriber Integrated Service Digitel Network. ITU-T ( International Telecommunications Union) that defines some numbering plan to the ISDN networks, Data networks and it also defines the format of Telephone Numbers.
Simply you can say MSISDN is nothing but it is your telephone Number.
Mobile Subscriber ISDN is the standard international telephone number used to identify a given subscriber. The MSISDN is the telephone number of a GSM (Global System for Mobile Communications) cell phone that is stored in the SIM (Subscriber Identity Module) smart card inside the phone. A public user identity in IMS is the equivalent of the MSISDN in a GSM network. Example:
+919-123-4567
(919)-155-4567
0113 272 2245
0044 113 272 2245
+44 113 272 2245
When requesting IMSPublicIdentity or ChargingInformation either the public_user_identity or msisdn parameter is required.
Mobile Subscriber|Station [International] Integrated Services Digital Network [Number]
Moblie sataion international subscriber directory number
Moblie sataion international subscriber directory number
MSISDN is a number uniquely identifying a subscription in a GSM or UMTS mobile network. Simply put, it is the telephone number to the SIM card in a mobile/cellular phone. The abbreviation has several interpretations, most common one being "Mobile Subscriber Integrated Services Digital Network Number".[1] The MSISDN together with IMSI are two important numbers used to identify a mobile phone. IMSI is often used as a key in the HLR ("subscriber database") and MSISDN is the number normally dialed to connect a call to the mobile phone. The MSISDN follows the numbering plan defined in the ITU-T recommendation E.164. More Details in http://en.wikipedia.org/wiki/MSISDN
IMSI - International Mobile Subscriber Identity MSISDN - Mobile Directory Number Both are two different numbers. One is used to identify a subscriber by operator. Other is used to route the call. A subscriber becomes customer of an operator by buying the SIM card of the operator. At this point the subscriber is allocated an IMSI and an MSISDN. IMSI is used to identify a subscriber by the operator. But MSISDN is the number which is used for dialing. So when you call your friend/a mobile, you call the MSISDN number of the mobile, not the IMSI. For Eg: Consider 2 subscriber's A & B. And assume the values given below; IMSI (A) : 987123111111111 IMSI (B) : 987124111111111 MSISDN (A) : 9448012121 MSISDN (B) : 9448121212 So when A would like to call B, A dials the MSISDN number of B, i.e, 9448121212. And same is true for vice-versa. Now coming to need of IMSI, when a mobile is switched on, it needs to identify and authenticate the subscriber with the network. Only then the mobile will be able to use the network services. So to identify the user in this scenario, the IMSI of the subscriber is used. In fact the IMSI is burned in the SIM card, which will be used while authenticating with network. MSISDN will not be stored in the SIM. 220.227.79.138 10:18, 3 September 2007 (UTC) : A couple of important things were left out of that description. There are three identities IMEI, IMSI and MSISDN. The IMEI is the mobile phone's identity which is burned into the phone. The IMSI is the identity of the SIM card. And MSISDN is the phone number. You can change the phone number of the phone without changing its IMSI (the sim card). You can keep the same phone number (MSISDN), change phones (the IMEI) and just move the SIM card (IMSI). By separating the three identities, it makes it easy for subscribers to easily upgrade phones without having to change phone numbers or accounting information. Kgrr (talk) 23:57, 2 June 2008 (UTC)
MSISDN is a number uniquely identifying a subscription in a GSM or a UMTS mobile network. Simply put, it is the telephone number of the SIM card in a mobile/cellular phone. This abbreviation has several interpretations, the most common one being "Mobile Subscriber Integrated Services Digital Network Number"For more info... see related link
for uninor operator *1#
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MS ISDN stands for Mobile Station Integrated Services Digital Network
I will answer the question by explaining IMSI and IMEI. IMSI number is a number that will identify the subscriber on any network (International as well). This is an international unique number that will tell any network from which country and network in that country you are from which a unique subscriber ID to identify who they are billing in the country of origin. Thus your SIM card will store this number. Your MSISDN (telephone number) will be linked to this IMSI number. Your IMEI number is device related. Thus an IMEI number will identify your device on any network (international as well). This number will be unique to your device and no other device in the world will have the same IMEI. From the IMEI we can derive certain information like your device TAC code that in turn identifies your device make, model, name and features that you have. Certain networks use the IMEI to send device specific settings to your device, to enable your device to connect to the inernet, send sms (texts), mms, svs etc. Both these numbers are used in conjunction with each other to improve your experience on any international network (Well at least they are intended to improve your experience - it is the sole responsibility of the network how they go about in making that happen) Thus to answer the question: The IMSI and IMEI number are not remotely the same. Both are internationally unique numbers applicable to a subscriber(SIM) and mobile device respectively. No part of any number of the IMSI and IMEI are related. (At time of answering this question I think there might be a country of manufacture / origin but not related to the country code in the IMSI ... but this is my professional opinion and memory that can't remember ... will need to check the last part of the IMEI again to see what it tells me again)
(positive number) x (positive number) = positive number (positive number)/(positive number) = positive number (positive number) x ( negative number) = negative number (positive number)/( negative number) = negative number (negative number) x (negative number) = positive number (negative number)/(negative number) = positive number
atomic number = number of proton in an element number of proton = number of electron mass number = number of proton + number of neutron therefore... atomic number = mass number - number of neutrons