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  2. Emergency Cell Broadcast System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Cell_Broadcast...

    Emergency Cell Broadcast System. An Emergency Cell Broadcast on an iOS smartphone in Filipino, indicating a Heavy Rainfall Warning in Metro Manila and nearby Rizal province. Emergency Cell Broadcast System ( ECBS) is an alert broadcast system in the Philippines, designed to disseminate emergency alerts and warnings to mobile devices via cell ...

  3. Text messaging - Wikipedia

    en.wikipedia.org/wiki/Text_messaging

    Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, desktops / laptops, or another type of compatible computer. Text messages may be sent over a cellular network or may also be sent via satellite or Internet ...

  4. National conventions for writing telephone numbers - Wikipedia

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

    All telephone numbers in Iran have 11 digits (initial 0 and ten digits). The first two or three digits after the zero are the area code. The possibilities are: (0xx) xxxx xxxx (for landlines), 09xx xxx xxxx (for cellphones) and 099xx xxx xxx (for MVNO ). When making a call within the same landline area code, initial 0 plus the area code must be ...

  5. Short code - Wikipedia

    en.wikipedia.org/wiki/Short_code

    Short codes, or short numbers, are short digit-sequences - significantly shorter than telephone numbers - that are used to address messages in the Multimedia Messaging System (MMS) and short message service (SMS) systems of mobile network operators. [ 1] In addition to messaging, they may be used in abbreviated dialing .

  6. Viber users can now get local numbers in the US, UK and ...

    techcrunch.com/2019/04/08/viber-users-can-now...

    Viber Local Number, as the service is called, is available to anyone globally, but for now the numbers you can register are in the U.S., U.K. and Canada, with more countries getting added soon.

  7. Talkatone Lets You Make Calls And SMS Over Wifi For Free, No ...

    techcrunch.com/2011/05/04/talkatone-lets-you...

    To set Talktone up log into your Gmail account and select the "Call Phone" option under Chat. Use the "Call Phone" option to make one call to a regular phone number. Then sign out from Google Chat ...

  8. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Worldwide distribution of country calling codes. Regions are coloured by first digit. 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.

  9. Cybersecurity 101: How to protect your cell phone number and ...

    techcrunch.com/2018/12/25/cybersecurity-101...

    What you can do to protect your phone number. Just like you can apply two-factor authentication to your online accounts, you can add a secondary security code to your cell phone account, too. You ...