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  2. VoIP phone - Wikipedia

    en.wikipedia.org/wiki/VoIP_phone

    A VoIP phone or IP phone uses voice over IP technologies for placing and transmitting telephone calls over an IP network, such as the Internet. [1] This is in contrast to a standard phone which uses the traditional public switched telephone network (PSTN).

  3. Twinkle (software) - Wikipedia

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

    Twinkle is a free and open-source application for voice communications over Voice over IP (VoIP) protocol. ... List of free and open-source software packages;

  4. Linphone - Wikipedia

    en.wikipedia.org/wiki/Linphone

    Linphone (contraction of Linux phone) is a free voice over IP softphone, SIP client and service. It may be used for audio and video direct calls and calls through any VoIP softswitch or IP-PBX. Linphone also provides the possibility to exchange instant messages.

  5. Comparison of VoIP software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_VoIP_software

    This is a comparison of voice over IP (VoIP) software that examines applications and systems used for conducting voice and multimedia communications across Internet Protocol (IP) networks. VoIP technology has transformed telecommunications by offering alternatives to traditional telephony systems while providing enhanced features and cost savings.

  6. Web-based VoIP - Wikipedia

    en.wikipedia.org/wiki/Web-based_VoIP

    The first USB Web-based VoIP phone. Web-based VoIP is the integration of voice over IP technologies into the facilities and methodologies of the World-Wide Web. It enables digital communication sessions between Web users or between users of traditional telecommunication services.

  7. Voice over IP - Wikipedia

    en.wikipedia.org/wiki/Voice_over_IP

    1991: Speak Freely, a voice-over-IP application, was released to the public domain. [92] [93] 1992: The Frame Relay Forum conducts development of standards for voice over Frame Relay. 1992: InSoft Inc. announces and launches its desktop conferencing product Communique, which includes VoIP and video.

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