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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 .
A wireless site survey, sometimes called an RF (Radio Frequency) site survey or wireless survey, is the process of planning and designing a wireless network, to provide a wireless solution that will deliver the required wireless coverage, data rates, network capacity, roaming capability and quality of service (QoS). [1]
Roaming is one of the fundamental mobility management procedures of all cellular networks.Roaming is defined [2] as the ability for a cellular customer to automatically make and receive voice calls, send and receive data, or access other services, including home data services, when travelling outside the geographical coverage area of the home network, by means of using a visited network.
Rank Country/Territory Penetration 1 South Korea 97.49% 2 Japan 94.70% 3 Norway 92.16% 4 Hong Kong 90.34% 5 United States 90.32% 6 Netherlands 89.64% 7 Hungary 89.26% 8 Kuwait
Xpax, launched in 2004, is Celcom (now CelcomDigi) Axiata Berhad's line of prepaid mobile plan. [ 1 ] As of December 2017, it served over 6.72 million subscribers, it comprises the majority of Celcom’s 9.56 million total subscriber base [ 2 ]
To allocate roaming numbers during the processing of incoming calls. To purge the subscriber record if a subscriber becomes inactive whilst in the area of a VLR. The VLR deletes the subscriber's data after a fixed time period of inactivity and informs the HLR (e.g., when the phone has been switched off and left off or when the subscriber has ...
A GPRS roaming exchange (GRX) acts as a hub for General Packet Radio Service (GPRS) connections from roaming users, removing the need for a dedicated link between each GPRS service provider. It was developed to facilitate a more efficient way for operators to interconnect networks, and played a large part in the transition to third-generation ...
The Regional Roaming Agreement, formally the Agreement on the price reduction of the roaming services in public mobile communications networks in the Western Balkans region, regulates the imposition of roaming charges within the countries in the Western Balkans; Albania, Kosovo, Bosnia and Herzegovina, North Macedonia, Montenegro and Serbia.