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Mobile phones use geographic area codes (two digits): after that, all numbers assigned to mobile service have nine digits, starting with 6, 7, 8 or 9 (example: 55 15 99999–9999). 90 is not possible, because collect calls start with this number.
M-PESA (M for mobile, PESA is Swahili for money) is a mobile phone-based money transfer service, payments and micro-financing service, launched in 2007 by Vodafone and Safaricom, the largest mobile network operator in Kenya. [1]
In more technical terms, roaming refers to 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.
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.
TADIG code is a number uniquely identifying network operators in a GSM mobile network. The acronym TADIG expands to " Transferred Account Data Interchange Group ". According to the GSM specification, the codes are used as "primary identifiers within file contents and file names" in multiple file formats defined by the GSMA . [ 1 ]
Porting Authorization Code (PAC) is a unique identifier (normally 9 characters long and in the format "ABC123456") used by some mobile network operators to facilitate mobile number portability (MNP). This allows users to retain their mobile telephone number when switching operators.
Since December 2018 it has been available on Vodafone in the UK, Spain and Germany. Vodafone has secured a 6 months exclusivity deal for Europe. Since January 20, 2019, the device has been available in Hong Kong. [7] [19] [20] [21] It was released for sale as standalone device in the US in April 2019. [22]
Data transfer price of 1 gigabyte within fair usage limit [h] Not regulated 716.80 460.80 204.80 home network rate + 51.20 deducted from included data (internet) limit outside fair usage limit [i] 7.70 6.00 4.50 3.50 3.00 2.50 2.00 1.80 1.55 1.30 1.10 1.00 billing interval any Not regulated per 1 kilobyte starting from 1st kilobyte