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  2. Keku - Wikipedia

    en.wikipedia.org/wiki/Keku

    KeKu, formed in April 2010, currently offers international calling to its users by assigning local numbers to contacts in 41 countries. [1] KeKu uses its own patented Smart Dial technology for its services. [2] Users can make use of KeKu's services via its iOS, Android and Google Chrome apps as well as in-browser calling from keku.com. [3] [4]

  3. Emergency telephone number - Wikipedia

    en.wikipedia.org/wiki/Emergency_telephone_number

    This means that a traveller visiting a foreign country does not have to know the local emergency numbers. The mobile phone and the SIM card have a preprogrammed list of emergency numbers. When the user tries to set up a call using an emergency number known by a GSM or 3G phone, the special emergency call setup takes place. The actual number is ...

  4. Ringo (software) - Wikipedia

    en.wikipedia.org/wiki/Ringo_(software)

    Ringo was an international calling app for smartphones that utilized dedicated phone circuits for making calls. [3] Ringo used local phone networks instead of the user's smart phone's Internet connection to connect calls. [4] The caller, but not the called party, downloaded and used the app to make calls. [5]

  5. Textfree - Wikipedia

    en.wikipedia.org/wiki/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 ad-free ...

  6. CallApp - Wikipedia

    en.wikipedia.org/wiki/CallApp

    CallApp was invented and founded in 2011, [1] in Tel Aviv, Israel by its former CEO, Oded Volovitz and current CEO, Amit On. [2] raising $1 million in seed investment. [3]It was initially introduced publicly at the TechCrunch Disrupt New York 2012, where it launched its application for Android, [4] at the DEMO conference, [2] and at the Mobile World Congress, Barcelona. [5]

  7. Wi-Fi calling - Wikipedia

    en.wikipedia.org/wiki/Wi-fi_calling

    Wi-Fi calling, also called VoWiFi, [1] refers to mobile phone voice calls and data that are made over IP networks using Wi-Fi, instead of the cell towers provided by cellular networks. [2] Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet , while ...

  8. Wizz, a Tinder-like app for teens, pulled from Apple and ...

    www.aol.com/news/wizz-tinder-app-aimed-teens...

    Wizz, a social media app growing popular among teens in the U.S., was removed from the Apple app store and Google Play this week.. Apple removed the app Tuesday after the National Center on Sexual ...

  9. Open Whisper Systems - Wikipedia

    en.wikipedia.org/wiki/Open_Whisper_Systems

    Open Whisper Systems (abbreviated OWS [7]) was a software development group [8] that was founded by Moxie Marlinspike in 2013. The group picked up the open source development of TextSecure and RedPhone, and was later responsible for starting the development of the Signal Protocol [9] and the Signal messaging app.