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  2. SMS - Wikipedia

    en.wikipedia.org/wiki/SMS

    SMS. An SMS message written on a Motorola Razr V3. Short Message Service, commonly abbreviated as SMS, is a text messaging service component of most telephone, Internet and mobile device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks.

  3. Textfree - Wikipedia

    en.wikipedia.org/wiki/Textfree

    Textfree. TextFree (formerly called Pinger and sometimes stylized as textfree) is a mobile application and web service that allows users to send and receive text messages, as well as make and receive VoIP phone calls, for free over the internet. The service costs nothing because it is supported by ads, but users have the option of paying for an ...

  4. What is RCS and how is it different from SMS and iMessage?

    www.engadget.com/what-is-rcs-and-how-is-it...

    As of earlier this year, Google’s implementation of RCS also offers by default end-to-end encryption (E2EE) for both one-on-one and group chats. Unlike SMS texts, RCS messages are routed over a ...

  5. Text messaging - Wikipedia

    en.wikipedia.org/wiki/Text_messaging

    An alternative to inbound SMS is based on long numbers (international mobile number format, e.g., +44 7624 805000, or geographic numbers that can handle voice and SMS, e.g., 01133203040 [47]), which can be used in place of short codes or premium-rated short messages for SMS reception in several applications, such as TV voting, [50] product ...

  6. Pinger's Textfree Exchanging 1 Billion SMS ... - TechCrunch

    techcrunch.com/2011/03/16/pingers-textfree...

    Pinger's free texting and phone application Textfree is continuing to see booming growth. The app, which has been downloaded over 14 million times for iOS and Android devices, uses an ad-supported ...

  7. SMS spoofing - Wikipedia

    en.wikipedia.org/wiki/SMS_spoofing

    SMS spoofing. SMS spoofing is a technology which uses the short message service (SMS), available on most mobile phones and personal digital assistants, to set who the message appears to come from by replacing the originating mobile number (Sender ID) with alphanumeric text. Spoofing has both legitimate uses (setting the company name from which ...

  8. PSA: Missed Call From A Mystery Number? Be Careful.

    techcrunch.com/2014/02/02/missed-call-scam

    The scam, simplified: They call you, but immediately hang up. You see a missed call. You call back. They charge you for the call, and for each minute they can keep you on the line. According to ...

  9. 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.