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  2. 3GPP - Wikipedia

    en.wikipedia.org/wiki/3GPP

    The 3rd Generation Partnership Project (3GPP) is an umbrella term for a number of standards organizations which develop protocols for mobile telecommunications. Its best known work is the development and maintenance of: [ 1 ]

  3. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Able to produce a reasonable call with lower signal (cell phone reception) levels. Uses soft handoff, reducing the likelihood of dropped calls. IS-95's variable rate voice coders reduce the rate being transmitted when speaker is not talking, which allows the channel to be packed more efficiently. Has a well-defined path to higher data rates.

  4. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    Voice over Long-Term Evolution (acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [ 1 ] [ 2 ] VoLTE has up to three times more voice [ 3 ] and data capacity than older 3G UMTS and up to six times more than 2G GSM .

  5. List of wireless network technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wireless_network...

    CDMA2000 is a family of 3G mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites. It is a backwards-compatible successor to second-generation cdmaOne (IS-95) set of standards and used especially in North America and South Korea, China, Japan, Australia and New Zealand.

  6. Voice call continuity - Wikipedia

    en.wikipedia.org/wiki/Voice_call_continuity

    The 3GPP has defined the Voice Call Continuity (VCC) specifications in order to describe how a voice call can be persisted, as a mobile phone moves between circuit switched and packet switched radio domains (3GPP TS 23.206). Many mobile phones are becoming available that support both cellular and other broadband radio technologies.

  7. IP Multimedia Subsystem - Wikipedia

    en.wikipedia.org/wiki/IP_Multimedia_Subsystem

    The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem (IMS) is a standardised architectural framework for delivering IP multimedia services. Historically, mobile phones have provided voice call services over a circuit-switched-style network, rather than strictly over an IP packet-switched network.

  8. Voice over NR - Wikipedia

    en.wikipedia.org/wiki/Voice_over_NR

    Voice over New Radio or Voice over 5G (acronym VoNR or Vo5G) is a high-speed wireless communication standard for voice services over 5G networks, utilizing mobile phones, data terminals, IoT devices, and wearables. [1] Like 4G networks, 5G does not natively support voice calls traditionally carried over circuit-switched technology. [2]

  9. System Architecture Evolution - Wikipedia

    en.wikipedia.org/wiki/System_Architecture_Evolution

    System Architecture Evolution (SAE) is the core network architecture of mobile communications protocol group 3GPP's LTE wireless communication standard.. SAE is the evolution of the GPRS Core Network, but with a simplified architecture; an all-IP Network (AIPN); support for higher throughput and lower latency radio access networks (RANs); and support for, and mobility between, multiple ...