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HOW CAN WE MAKE ORDERING MOBILE PHONE

how can we make ordering mobile phone

An International Mobile Subscriber Identity, or IMSI [im-zee], is a unique number that is associated with all GSM and Universal Mobile Telecommunications System (UMTS) network mobile phone users. The number is stored in the Subscriber Identity Module (SIM). It is sent by the mobile phone to the network and 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.

Also the IMSI is used in ANY mobile network that interconnect with others. We are talking here about CDMA and EVDO networks and this number is provisioned in the phone directly or in the RUIMS card (a CDMA analogue equivalent to a SIM card in GSM)

An IMSI is usually fifteen digits long. However, they can be shorter (eg. mobile phone battery(mobile phone battery) - Telecom Estate. MTN South Africa's are 14 digits). The first three digits are the country code (mobile country code), and the next digits are the Mobile Network Code (MNC). The MNC can be either two digits long (normal e. g. in Europe) or three digits long (normal in North America), the remaining digits, up to the maximum length are the unique subscriber number (MSIN) within the network's customer base.

The IMSI conforms to the ITU E. 212 numbering standard. Marks & Spencer - Help - Ordering Technology.