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  2. Imo.im - Wikipedia

    en.wikipedia.org/wiki/Imo.im

    The product was created as a web-based application in 2005 for accessing multiple chat platforms, [7] including Facebook Messenger, Google Talk, Yahoo! Messenger, and Skype chat. [8] It was developed by Pagebites, which is a subsidiary of Singularity IM, Inc. and required a subscriber's phone number to verify the users' account. [9]

  3. Mobile social network - Wikipedia

    en.wikipedia.org/wiki/Mobile_social_network

    Similar to there being many online social networking sites, such as Facebook and Twitter, there are just as many social network on mobile devices. They offer vast number of functions including multimedia posts, photo sharing, and instant messaging. Most of these mobile apps offer free international calling and texting capabilities.

  4. Comparison of cross-platform instant messaging clients

    en.wikipedia.org/wiki/Comparison_of_cross...

    Examples of such messaging services include: Skype, Facebook Messenger, Google Hangouts (subsequently Google Chat), Telegram, ICQ, Element, Slack, Discord, etc. Users have more options as usernames or email addresses can be used as user identifiers, besides phone numbers. Unlike the phone-based model, user accounts on a multi-device model are ...

  5. Enhanced Voice Services - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Voice_Services

    Thus, users are encouraged to switch from phone calls to pure VoIP apps such as FaceTime, WhatsApp, Signal, Facebook Messenger, and Telegram when voice call quality remains poor despite good network connectivity. [12] Still in some cases interoperator connection is implemented and phone call remains in EVS.

  6. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Native Wi-Fi calling refers to the ability of mobile phones on the service to seamlessly use Wi-Fi rather than the cellular network to connect normally dialed calls, when enabled. It does not refer to the ability to use third-party programs to make calls over Wi-Fi networks, which is generally always supported on smartphones.

  7. ICQ - Wikipedia

    en.wikipedia.org/wiki/ICQ

    ICQ 8, released on February 5, 2012 – "Meet the new generation of ICQ, Enjoy free video calls, messages and SMS, social networks support and more." ICQ 10.0, released January 18, 2016. Final update was 10.0 Build 46867, released on May 27, 2022. [24]

  8. Comparison of instant messaging protocols - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_instant...

    Phone number (e.g. +15550123) Yes No No About 250 contacts in SIM, unlimited from phone. No serial messages Medium No Yes 3G-324M/ViLTE: RCS: No ? ? 3GPP standards; Bitmessage: Jonathan Warren 2012 Nov Open standard: Alphanumeric address Yes Yes Yes Yes No Yes Yes (through proof-of-work) Yes No No Yes No Yes ? Bitmessage; Bonjour: Apple Inc ...

  9. Google Voice - Wikipedia

    en.wikipedia.org/wiki/Google_Voice

    Google provides free PC-to-PC voice calling worldwide. As described above, Google Voice users in many countries may make low-cost calls to international phone numbers, and currently may also make free PC-to-phone calls within the United States and Canada. Vincent Paquet, a co-founder of GrandCentral who became a senior product manager at Google ...