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Working Assets' first product was the Better World Credit Card. After the United States deregulated telephone service, the company introduced Working Assets Long Distance in 1991. In 2000, it also became a mobile virtual network operator , operating as Working Assets Wireless.
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
Remote SIM provisioning is a specification realized by GSMA that allows consumers to remotely activate the subscriber identity module (SIM) embedded in a portable device such as a smart phone, smart watch, fitness band or tablet computer.
Each active SIM card is considered a subscriber. [7] Wholesale customers include users of machine to machine networks and mobile virtual network operators that operate on the host network, but are managed by wholesale partners. Subscriber counts are sourced from each companies quarterly reports.
SIM Application Toolkit (STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1] Similar standards exist for other network and card systems, with the USIM Application Toolkit (USAT) for USIMs used by newer-generation networks being ...
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A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).
telna Mobile: Telecom North America Mobile, Inc. Operational: MVNO: Formerly Edge Mobile LLC [85] [128] 310: 850: Aeris: Aeris Communications, Inc. Operational: MVNO: M2M only; [89] is a Full MVNO despite marketing claims to the contrary [164] 310: 860: Five Star Wireless: TX RSA 15B2, LP: Not operational: CDMA