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2. National conventions for writing telephone numbers - Wikipedia

   en.wikipedia.org/wiki/National_conventions_for...

   National conventions for writing telephone numbers vary by country. The International Telecommunication Union (ITU) publishes a recommendation entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses. Recommendation E.123 specifies the format of telephone numbers assigned to telephones and similar communication endpoints in national telephone ...

3. Telecommunications and Digital Government Regulatory ...

   en.wikipedia.org/wiki/Telecommunications_and...

   The UAE Telecommunications and Digital Government Regulatory Authority (TDRA) was established in 2003 [1] to regulate the Information Communications and Telecommunications (ICT) sector in the United Arab Emirates (UAE) and to ensure sustainability, competitiveness and transparency among the service providers, [2] customers and shareholders. The TDRA is a regulatory body that oversees the ...

4. Telephone numbers in the United Arab Emirates - Wikipedia

   en.wikipedia.org/wiki/Telephone_numbers_in_the...

   Telephone numbers in the United Arab Emirates (UAE) follow a closed telephone numbering plan. The UAE is assigned an international dialing code of +971 by ITU. Telephone numbers are fixed at seven digits, with area codes fixed at two or three digits.

5. List of country calling codes - Wikipedia

   en.wikipedia.org/wiki/List_of_country_calling_codes

   Country calling codes, country dial-in codes, international subscriber dialing ( ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks. Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The ...

6. Premium-rate telephone number - Wikipedia

   en.wikipedia.org/wiki/Premium-rate_telephone_number

   Premium-rate telephone numbers are telephone numbers that charge callers higher price rates for select services, including information and entertainment. A portion of the call fees is paid to the service provider, allowing premium calls to be an additional source of revenue for businesses. Tech support, psychic hotlines, and adult chat lines (e.g. dating and phone sex) are among the most ...

7. Telecommunications in the United Arab Emirates - Wikipedia

   en.wikipedia.org/wiki/Telecommunications_in_the...

   Telecommunications in the United Arab Emirates (UAE) is under the control and supervision of the Telecommunications and Digital Government Regulatory Authority which was established under UAE Federal Law by Decree No. 3 of 2003. [1] From 1976 to 2006 the Emirates Telecommunications Corporation (Etisalat) was the sole telephone and telecommunications provider for the UAE. [2] And while there ...

8. Signal (messaging app) - Wikipedia

   en.wikipedia.org/wiki/Signal_(messaging_app)

   Signal uses mobile telephone numbers to register and manage user accounts, though configurable usernames were added in March 2024 to allow users to hide their phone number from other users. After removing support for SMS on Android in 2023, the app now secures all communications with end-to-end encryption. The client software includes ...

9. E.164 - Wikipedia

   en.wikipedia.org/wiki/E.164

   E.164 is an international standard ( ITU-T Recommendation), titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks . E.164 defines a general format for international telephone numbers.