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  2. 3G-324M - Wikipedia

    en.wikipedia.org/wiki/3G-324M

    The 3G-324M protocol operates over an established circuit switched connection between two communicating peers. 3G-324M is an umbrella specification to enable conversational multimedia communication over Circuit Switched (CS) networks and has been adopted by the 3GPP. 3G-324M is based on the ITU-T H.324 specification for multimedia conferencing ...

  3. Video over LTE - Wikipedia

    en.wikipedia.org/wiki/Video_over_LTE

    The H.264 codec delivers superior quality as compared to the low bit rate 3G-324M codec that is used in 3G conversational video calls. It is vital that ViLTE video calls are allocated appropriate quality of service (QoS) to differentiate and prioritize this delay and jitter sensitive conversational traffic from other streaming video traffic ...

  4. Video over cellular - Wikipedia

    en.wikipedia.org/wiki/Video_over_Cellular

    Video over cellular (VoC), also known as VoCIP (video over cellular Internet Protocol), is a term used for processing streaming video such as surveillance, using high-resolution video cameras over 3G and 4G cellular networks. Creating a VoC transmission requires encoding and decoding of video packets

  5. 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.

  6. 3G adoption - Wikipedia

    en.wikipedia.org/wiki/3G_adoption

    The first African use of 3G technology was a 3G video call made in Johannesburg on the Vodacom network in November 2004. The first commercial launch was by Emtel-ltd in Mauritius in 2004. In late March 2006, a 3G service was provided by the new company Wana in Morocco.

  7. What is Apple's 'SOS mode'? iPhone feature lets you make ...

    www.aol.com/news/apples-sos-mode-iphone-feature...

    For people who use Apple iPhones, their only service option during an outage or when cellular service is unavailable can be accessed through the device's SOS mode. Follow live coverage of the ...

  8. FaceTime - Wikipedia

    en.wikipedia.org/wiki/FaceTime

    In iPhone, if a phone call was pending and the user attempts to answer, the video call ends and the phone call began with the next user. Support for group video conferencing was added with the release of iOS 12, allowing up to 32 people to participate in a video call simultaneously.

  9. Videotelephony - Wikipedia

    en.wikipedia.org/wiki/Videotelephony

    The relatively low cost and widespread availability of 3G mobile phone technology with video calling capabilities have given deaf and speech-impaired users a greater ability to communicate with the same ease as others. Some wireless operators have even started free sign language gateways.

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