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  2. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    VoLTE calling. 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.

  3. 4G connectivity in Australia - Wikipedia

    en.wikipedia.org/wiki/4G_connectivity_in_Australia

    Telstra was the first carrier in Australia to launch VoLTE. The service was initially available on 6 phones (Four being iPhones and two being Samsung Galaxy's). [10] Telstra have switched on the VoLTE on every one of their 4G networks across Australia but currently the 4G small cells setup in regional Australia do not have VoLTE compatibility.

  4. LTE (telecommunication) - Wikipedia

    en.wikipedia.org/wiki/LTE_(telecommunication)

    In this approach, the handset works simultaneously in the LTE and circuit switched modes, with the LTE mode providing data services and the circuit switched mode providing the voice service. This is a solution solely based on the handset, which does not have special requirements on the network and does not require the deployment of IMS either ...

  5. Moving From 3G to 4G LTE (And What It All Means for AT&T) - AOL

    www.aol.com/news/2012-09-14-moving-from-3g-to-4g...

    AT&T (NYS: T) and Verizon (NYS: VZ) are in a similar boat at the moment. Apple's (NAS: AAPL) just-launched iPhone 5 will be available through these two carriers only, and the resulting advancement ...

  6. 4G - Wikipedia

    en.wikipedia.org/wiki/4G

    The pre-4G 3GPP Long Term Evolution (LTE) technology is often branded "4G – LTE", but the first LTE release does not fully comply with the IMT-Advanced requirements. LTE has a theoretical net bit rate capacity of up to 100 Mbit/s in the downlink and 50 Mbit/s in the uplink if a 20 MHz channel is used — and more if multiple-input multiple ...

  7. Enhanced Voice Services - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Voice_Services

    Inter-carrier interoperability is a problem, as calls are by default routed over narrowband connections which downgrades the voice to narrowband quality instead of EVS and HD Voice even if the individual phones and carrier networks all support EVS, this does not mean VoLTE gets disabled though, the call remains in 4G. [11]