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lorence 05-October-2007 12:21:07 PM

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For your reference

http://en.wikipedia.org/wiki/IMSI

Posted by justfawad

IMSI is abbreviated as International Mobile SUbscriber Identity and it is used to uniquely identify the mobile subscriber anywhere in the world in the mobile network. its a 15-digit code that is programmed in the SIM of the subscriber that has issued to him/her by the mobile company. The IMSI is then also been added to the mobile subscriber database in Home Location Register that permanently stores it so whenever the subscriber initiates the voice/data call this 15-digit code being supplied over the air interface to the Mobile company network to identify the subscriber to make sure that irrelevant suibscriber will not use the service nad it also enables that whether the subsciber is registered with the company or not.
when the match is found within the network database servers the user is then allowed to issue further command and is being validated by the network to enjoy telecom services.IMSI is used in all type mobile networks like GSM, UMTS,WiMAX, Wi-Fi based handheld devices, CDMA, W-CDMA. IMSI is the number against which subscriber information and other information like services to which subscriber has subscription within the network is being stored and being checked everytime the sim is entered into the mobile phone and phone has powered up.
IMSI = MCC + MNC + MSIN
MCC(Mobile Country Code)
MNC(Mobile NEtwork Code)
MSIN(Mobile Subscriber Identification Number)

Posted by sizzlingfauji

Unique Identifier for a SIM.

Posted by saqlain231

www.mininova.org/com/1210417

Posted by crouse

IMSI
international mobile subscriber identity.
use to globbaly identify the mobile subscriber
IMSI = MCC + MNC + MSIN

Posted by blackmamba

An International Mobile Subscriber Identity or IMSI (IPA: /ˈɪmzi/) is a unique number associated with all GSM and UMTS network mobile phone users. It is stored in the SIM inside the phone and is sent by the phone to the network. It is also used to acquire other details of the mobile in the Home Location Register (HLR) or as locally copied in the Visitor Location Register. In order to avoid the subscriber being identified and tracked by eavesdroppers on the radio interface, the IMSI is sent as rarely as possible and a randomly-generated TMSI is sent instead.

The IMSI is used in any mobile network that interconnects with other networks, in particular CDMA and EVDO networks as well as GSM networks. This number is provisioned in the phone directly or in the R-UIM card (a CDMA analogue equivalent to a SIM card in GSM).

An IMSI is usually 15 digits long, but can be shorter (for example MTN South Africa's old IMSIs that are still being used in the market are 14 digits). The first 3 digits are the Mobile Country Code, and is followed by the Mobile Network Code (MNC), either 2 digits (European standard) or 3 digits (North American standard). The remaining digits are the mobile station identification number (MSIN) within the network's customer base.

The IMSI conforms to the ITU E.212 numbering standard.

Posted by waqasahmad

An International Mobile Subscriber Identity or IMSI (IPA: /ˈɪmzi/) is a unique number associated with all GSM a UMTS network mobile phone users. It is stored in the SIM inside the phone and is sent by the phone to the network. It is also used to acquire other details of the mobile in the Home Location Register (HLR) or as locally copied in the Visitor Location Register. In order to avoid the subscriber being identified and tracked by eavesdroppers on the radio interface, the IMSI is sent as rarely as possible and a randomly-generated TMSI is sent instead.

The IMSI is used in any mobile network that interconnects with other networks, in particular CDMA and EVDO networks as well as GSM networks. This number is provisioned in the phone directly or in the R-UIM card (a CDMA analogue equivalent to a SIM card in GSM).

An IMSI is usually 15 digits long, but can be shorter (for example MTN South Africa's old IMSIs that are still being used in the market are 14 digits). The first 3 digits are the Mobile Country Code, and is followed by the Mobile Network Code (MNC), either 2 digits (European standard) or 3 digits (North American standard). The remaining digits are the mobile station identification number (MSIN) within the network's customer base.

Posted by kparikh

IMSI Stand for International Mobile Subscriber Identifier .It is a unique 15-digit number

Posted by mrleo99098

This number identifies the MS subscriber. It is only transmitted over the air during
initialization.

Posted by HamidAliKhan

Posted: 05-October-2007 12:58:10 PM By: henry Hi! On my point of view IMSI is nothing but International Mobile Subscriber Identifier its a unique 15-digit number which designates the subscriber. This number is used for provisioning in network elements. Thanks.
Posted: 13-January-2008 07:01:58 AM By: nakshatra_sri IMSI---International Mobile Station Identity; International Mobile Subscriber Identity A number used to uniquely identify personal mobile phones internationally. It has up to 15 decimal digits (0-9).Its elements are: IMSI = MCC + MNC + MSIN IMSI = Mobile Country Code(3-digit) + Mobile Network Code(2-digit) + Mobile Station Idenfication Number(10-digit)
Posted: 18-August-2008 10:34:59 AM By: mohsin_n_alam The acronym of International mobile subscriber identity,Its all about the security and the identification.It consist of 3 parts as mentioned above.The first part is the MCC=mobile country code which will be an unique no for each operator(for airtel it is 404),then the other 2 parts.Because it can be mapped into other cell phones and a kind of identity theft can happen, now a days a new identification term called as TMSI ie Temporary Mobile Subscriber Identity is used.
Posted: 12-November-2008 01:55:37 PM By: waqqas1 This is the most important part of GSM network and used for subscriber identification and provide network the ability to biiling on the base of subscriber.
Posted: 13-November-2008 12:34:05 AM By: HamidAliKhan IMSI i basically international mobile station subscriber identity. It is used for security and the identification. The first part is the MCC=mobile country code which will be an unique no for each operator(for airtel it is 404),then the other 2 parts.Because it can be mapped into other cell phones and a kind of identity theft can happen, now a days a new identification term called as TMSI ie Temporary Mobile Subscriber Identity is used. TMSI is used for temporary identification which is changes time by time define by the operator or vendor.
Posted: 14-November-2008 01:48:11 AM By: Hash007 IMSI stands for international mobile subscriber identity & used for identification of MS subscriber.
Posted: 16-November-2008 06:02:32 AM By: HamidAliKhan This number identifies the MS subscriber. It is only transmitted over the air during initialization.
Posted: 18-November-2008 02:12:02 AM By: mrleo99098 IMSI Stand for International Mobile Subscriber Identifier .It is a unique 15-digit number
Posted: 27-November-2008 02:39:58 AM By: kparikh An International Mobile Subscriber Identity or IMSI (IPA: /ˈɪmzi/) is a unique number associated with all GSM a UMTS network mobile phone users. It is stored in the SIM inside the phone and is sent by the phone to the network. It is also used to acquire other details of the mobile in the Home Location Register (HLR) or as locally copied in the Visitor Location Register. In order to avoid the subscriber being identified and tracked by eavesdroppers on the radio interface, the IMSI is sent as rarely as possible and a randomly-generated TMSI is sent instead. The IMSI is used in any mobile network that interconnects with other networks, in particular CDMA and EVDO networks as well as GSM networks. This number is provisioned in the phone directly or in the R-UIM card (a CDMA analogue equivalent to a SIM card in GSM). An IMSI is usually 15 digits long, but can be shorter (for example MTN South Africa's old IMSIs that are still being used in the market are 14 digits). The first 3 digits are the Mobile Country Code, and is followed by the Mobile Network Code (MNC), either 2 digits (European standard) or 3 digits (North American standard). The remaining digits are the mobile station identification number (MSIN) within the network's customer base.
Posted: 28-February-2009 11:55:16 AM By: waqasahmad An International Mobile Subscriber Identity or IMSI (IPA: /ˈɪmzi/) is a unique number associated with all GSM and UMTS network mobile phone users. It is stored in the SIM inside the phone and is sent by the phone to the network. It is also used to acquire other details of the mobile in the Home Location Register (HLR) or as locally copied in the Visitor Location Register. In order to avoid the subscriber being identified and tracked by eavesdroppers on the radio interface, the IMSI is sent as rarely as possible and a randomly-generated TMSI is sent instead. The IMSI is used in any mobile network that interconnects with other networks, in particular CDMA and EVDO networks as well as GSM networks. This number is provisioned in the phone directly or in the R-UIM card (a CDMA analogue equivalent to a SIM card in GSM). An IMSI is usually 15 digits long, but can be shorter (for example MTN South Africa's old IMSIs that are still being used in the market are 14 digits). The first 3 digits are the Mobile Country Code, and is followed by the Mobile Network Code (MNC), either 2 digits (European standard) or 3 digits (North American standard). The remaining digits are the mobile station identification number (MSIN) within the network's customer base. The IMSI conforms to the ITU E.212 numbering standard.
Posted: 28-February-2009 11:58:43 AM By: waqasahmad An International Mobile Subscriber Identity or IMSI (IPA: /ˈɪmzi/) is a unique number associated with all GSM and UMTS network mobile phone users. It is stored in the SIM inside the phone and is sent by the phone to the network. It is also used to acquire other details of the mobile in the Home Location Register (HLR) or as locally copied in the Visitor Location Register. In order to avoid the subscriber being identified and tracked by eavesdroppers on the radio interface, the IMSI is sent as rarely as possible and a randomly-generated TMSI is sent instead. The IMSI is used in any mobile network that interconnects with other networks, in particular CDMA and EVDO networks as well as GSM networks. This number is provisioned in the phone directly or in the R-UIM card (a CDMA analogue equivalent to a SIM card in GSM). An IMSI is usually 15 digits long, but can be shorter (for example MTN South Africa's old IMSIs that are still being used in the market are 14 digits). The first 3 digits are the Mobile Country Code, and is followed by the Mobile Network Code (MNC), either 2 digits (European standard) or 3 digits (North American standard). The remaining digits are the mobile station identification number (MSIN) within the network's customer base. The IMSI conforms to the ITU E.212 numbering standard.
Posted: 08-March-2009 05:07:21 AM By: blackmamba IMSI international mobile subscriber identity. use to globbaly identify the mobile subscriber IMSI = MCC + MNC + MSIN
Posted: 07-April-2009 12:25:16 PM By: crouse www.mininova.org/com/1210417
Posted: 05-June-2009 11:35:16 AM By: saqlain231 Unique Identifier for a SIM.
Posted: 24-September-2009 07:36:25 PM By: sizzlingfauji IMSI is abbreviated as International Mobile SUbscriber Identity and it is used to uniquely identify the mobile subscriber anywhere in the world in the mobile network. its a 15-digit code that is programmed in the SIM of the subscriber that has issued to him/her by the mobile company. The IMSI is then also been added to the mobile subscriber database in Home Location Register that permanently stores it so whenever the subscriber initiates the voice/data call this 15-digit code being supplied over the air interface to the Mobile company network to identify the subscriber to make sure that irrelevant suibscriber will not use the service nad it also enables that whether the subsciber is registered with the company or not. when the match is found within the network database servers the user is then allowed to issue further command and is being validated by the network to enjoy telecom services.IMSI is used in all type mobile networks like GSM, UMTS,WiMAX, Wi-Fi based handheld devices, CDMA, W-CDMA. IMSI is the number against which subscriber information and other information like services to which subscriber has subscription within the network is being stored and being checked everytime the sim is entered into the mobile phone and phone has powered up. IMSI = MCC + MNC + MSIN MCC(Mobile Country Code) MNC(Mobile NEtwork Code) MSIN(Mobile Subscriber Identification Number)
Posted: 03-March-2010 04:07:47 AM By: justfawad For your reference http://en.wikipedia.org/wiki/IMSI