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Typical sign showing where top-ups can be made. A prepaid mobile device, also known as a pay-as-you-go (PAYG), pay-as-you-talk, pay and go, go-phone, prepay, or burner phone, is a mobile device such as a phone for which credit is purchased in advance of service use.
Soon after the code words were developed by ICAO (see history below), they were adopted by other national and international organizations, including the ITU, the International Maritime Organization (IMO), the United States Federal Government as Federal Standard 1037C: Glossary of Telecommunications Terms [5] and its successors ANSI T1.523-2001 [6] and ATIS Telecom Glossary (ATIS-0100523.2019 ...
600 - Mobile Customer Service Center (Bravo Telecom) 1100 - Mobile Customer Service Center ; 1789 - Mobile Customer Service Center (Virgin Mobile) 1755 - Mobile Customer Service Center (Lebara Mobile) 900 - Telephone Customer Service Center (They were separated before, 907 for Landline, 902 for Mobile, but since September 2015, they are merged)
The Wyse 100, Wyse's first product (Further images: Wyse 50 / Wyse 120) Wyse Technology was founded in 1981 [5] by Garwing Wu, Bernard Tse, and Grace Tse. [9] The company became famous in the 1980s as a manufacturer of character terminals.
For DNIS service, the telephone company sends a sequence of typically four to ten digits during call setup. [1] Direct inward dial (DID) service also provides DNIS. For example, a company may have a different toll-free telephone number for each product line it sells, or for multilingual customer support.
Until 2001 a leading "0" was part of any mobile phone number, but it has been removed. [14] Example for calling the mobile phone number 3xx xxxxxxx: 03xx xxxxxxx: from within Italy, before 2001; 3xx xxxxxxx: from within Italy, after 2001; +39 3xx xxxxxxx: from abroad, both before and after 2001.
1xx Special numbers 001 and 00xx Carrier selection codes 0x 2-digit geographic area codes 0xx 3-digit geographic area codes 0xxx 4-digit geographic area codes 0xxxx 5-digit geographic area codes 0x0 3-digit non-Geographic area codes (excluding 010) 0xx0 4-digit non-Geographic area codes (01x0, 0570, 0800, 0910, 0990)