AT&T; HD Voice Launch Chicago – Samsung S4 Mini

VCXC founder Daniel Berninger tests AT&T;’s launch of VoLTE HD voice in Chicago via the Samsung S4 Mini. The test call shows the voice quality between between HD voice enabled Samsung S4 mini’s. The second phone is connected directly to the audio input of the camera. The video includes an example of standard definition voice quality via a random phone which is the same voice quality as 99.9999% of cell phones on the planet.