In the last two years, the specifications for HD voice on CDMA2000, GSM, HSPA+, and LTE have been finalized. Even better, governments around the world are now considering replacing traditional circuit-switched telephone networks (POTS) with optical fiber packet-switched VoIP networks.įor cellular (and possibly hybrid cellular/satellite) networks, HD voice has been in development since 2000. With the transition to predominantly digital cellular/satellite communications, as opposed to the traditional terrestrial circuit-switched telephone network, HD voice became possible for telephony. However, most people do not consider Skype an HD voice platform because it is not a telephone system.

Most people commonly experience HD voice when using VoIP platforms like Skype on their computers. Depending on the calling system being used, HD voice may or may not be available. HD voice is an umbrella term which refers to technologies that enhance the quality of an audio call, or the audio portion of a video call. But what is HD voice and what does it offer? For the first time in several years, voice calling is getting an upgrade. While the device is largely unexceptional - it is simply a modified version of the HTC One XL that is heading to AT&T - there is a particular feature that stands out: HD voice.

Yesterday, Sprint and HTC announced the HTC Evo 4G LTE, the latest in the series of Evo phones from Sprint. This site may earn affiliate commissions from the links on this page.

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