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The RBI numbers are allocated by the Global Decimal Administrator. IMEI numbers being decimal helps distinguish them from an MEID, which is hexadecimal and always has 0xA0 or larger as the first two hexadecimal digits. For example, the old style IMEI code 35-209900-176148-1 or IMEISV code 35-209900-176148-23 tells us the following:
The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM , UMTS , LTE , 5G NR , iDEN , Iridium or other IMEI-employing wireless ...
IMEI – International mobile equipment Identity IMS – IP Multimedia Subsystem IMSI – International Mobile Subscriber Identity IMSI 11 12 – Same as MNC (Mobile Network Code) IMSI S – Short IMSI, Mobile Identification Number Inbound Roamer. Industry Organizations. INF – Industry Negative File Interconnection. Inter standard roaming
Once this information is obtained, law enforcement will use a map of cell site locations to determine the past geographical locations of the cellular device. However, the signal coverage area of a given cell site may change according to the time of day, weather, and physical obstructions in relation to where a cellular device attempts to access ...
The "Reporting Body Identifier" is also known as the Regional Code in the CDMA context. The International Mobile Station Equipment Identity ( IMEI ) and Mobile Equipment Identifier (MEID) structures are superficially the same, except that the first two digits must be decimal for an IMEI, and must be hexadecimal for an MEID.
As of August 2006, the TIA acts as the GHA to assign MEID code prefixes (0xA0 and up), and the GSM Association acts as the global decimal administrator. TIA also allocates IMEI codes, specifically destined for dual-technology phones, out of the RR=99 range. This range is commonly (but not exclusively) used for LTE-capable handsets with CDMA ...
To avoid confusion the database of GSM Association was renamed to IMEI Database - IMEI DB [1] (it was in 2003-2008, see “Document History” at IMEI Database File Format Specification [2]). Also sometimes a common IMEI database for several EIRs is called SEIR (Shared EIR). In each country, the CEIR can interact with IMEI DB differently.
This page was last edited on 25 January 2017, at 04:13 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.