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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.
In New Zealand, the NZ Telecommunications Forum Inc [13] provides a blocked IMEI lookup service for New Zealand consumers. The service allows up to three lookups per day [14] and checks against a database that is updated daily by the three major mobile network operators. A blocked IMEI cannot be connected to any of these three operators.
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 network.
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 support. Other administrators working under GSMA may also allocate any IMEI for use in dual-technology phones.
A subsequent FCC order moved the actual cutover date to May 1, 1993. On February 10, 1993, the FCC released an order, which declared access to the toll-free database by Responsible Organizations (Resp Orgs) to be a Title II common carrier service and required the BOCs to file a tariff for toll-free database access by March 5, 1993. The ...
There’s an easy way to find out: conduct a reverse phone lookup — for free. But is there a truly free reverse phone lookup? Yes — there are plenty of sites that offer free reverse phone lookups.
Base station survey data can be used to further narrow the past locations of a cellular device if used in conjunction with historical cell site location information ("HCSLI") obtained from a wireless carrier. HCSLI includes a list of all cell sites and sectors accessed by a cellular device, and the date and time each access was made.
RingMyCellphone is free up to three times per day. Its wake-up function is also free, from anywhere in the world. You can use it free up to two times a day; after that, it's $2 for up to five more ...