T-Mobile has also considered a higher-quality sound to make calls via 3g, but saw the after taste on a provisional basis. KPN has, however, on January 30, a national pilot for HD Voice on its 3g network announced.
HD Voice is a technology in which a larger frequency range will be audible during the call. Advantages are that the voices clearer, and more lifelike sound, while background noise is less audible. Not every unit can with the used AMR-WB codec, for example BlackBerry’s and cell phones from Apple outside of the boat.
T-Mobile was up to Tweakers.net already know a few successful tests to have carried out around call with HD Voice-quality in 2011. When the company decided the technology was not yet in. The carrier continues to be the market closely.
In addition, in the opinion of the telco that currently there are still few devices that has the necessary codec support. The company wants HD Voice only enter when there is certainty that the majority of their customers actually ‘HD experience’ during the call. That guarantee, according to the company. T-Mobile has no plans to make HD video calls quick.
Vodafone let request, know that they have no concrete plans to have the technology to enter. Also this company says however, the use of HD Voice on the foot to follow.