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Digital life and technology, Education and training, Health, Environment and sustainable development, Physics and Chemistry, IT and programming, Political science and international relations, Law, Economy and management, Life Sciences Free access to courses, free and paid certification [1] French, English, Spanish, Arabic, Chinese Non-profit 2013
FreeSWITCH is a free and open-source telephony software for real-time communication protocols using audio, video, text and other forms of media. The software has applications in WebRTC, voice over Internet Protocol (VoIP), video transcoding, Multipoint Control Unit (MCU) functionality and supports Session Initiation Protocol (SIP) features.
The VoIP E911 emergency-calling system associates a physical address with the calling party's telephone number. All VoIP providers that provide access to the public switched telephone network are required to implement E911, a service for which the subscriber may be charged. "VoIP providers may not allow customers to opt-out of 911 service."
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 ...
Voip-Pal is a technical leader in the broadband Voice-over-Internet Protocol ("VoIP") market with the ownership and development of a portfolio of leading edge VoIP Patent Applications.
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.
Free and open-source software portal This category is for packages that implement VOIP and are free software - that is to say that the source code is available under a free software licence . Subcategories
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.