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The Preferred Roaming List (PRL) is a database residing in a wireless (primarily CDMA) device, such as a cellphone, that contains information used during the system selection and acquisition process. In the case of R-UIM -based CDMA devices, the PRL resides on the R-UIM .
PRL – Preferred Roaming List Profiling. PUZL – Preferred User Zone List PZID – Packet Zone Identification Q. This section is empty. You can help by adding to it.
Originally, in analog systems, the mobile would turn on the roaming indicator if the SID was not the single value stored in the phone. With CDMA systems the Preferred Roaming List (PRL) is responsible for determining which areas a mobile can roam into. Base stations may also broadcast an MCC and MNC which can also be used by the PRL.
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.
Preferred Roaming List, in CDMA phones; Proportional reduction in loss, a measure of reliability; Protocol-relative link, URLs which do not specify a protocol;
This data is accessed by using a special digit sequence to access the "NAM" as in "Name" or number programming menu. From there, information can be added, including a new number for the phone, new Service Provider numbers, new emergency numbers, new Authentication Key or A-Key code, and a Preferred Roaming List or PRL.
This is a list of mobile network operators (MNOs) in the United States. The Cellular Telecommunications & Internet Association (CTIA), lists approximately 30 facilities-based wireless service providers in the United States as members. Competitive Carriers Association (CCA) has over 100 members. [1]
The term "roaming", also known as "e-roaming", is a concept for charging battery electric vehicles (BEVs) at other charging stations. [3] In practice, e-roaming allows EV drivers to achieve greater interoperability by providing access to public charging points from any owner/operator's EV charging network through a common platform and a single ...