It extends the frequency range of audio signals transmitted over telephone lines, resulting in higher quality speech.
Providers of this technology quickly discovered that despite the explicit emphasis on video transmission, the quality of the participant experience was significantly influenced by the fidelity of the associated audio signal.
Misunderstandings are commonplace due primarily to generally poor audio quality and accumulation of background noise.
More than a hundred handsets have been introduced supporting this codec (for example, Apple, Google, HTC, Nokia, Samsung and Sony), and network demonstrations have been conducted.
[citation needed] As business telephone systems have adopted VoIP technology, support for wideband audio has grown rapidly.
There are audio conferencing service providers that support wideband connections from these and other VoIP endpoints, while also permitting PSTN participants to join the conference in narrowband.
deployed the Aastra Hi-Q upgrade to its installed user base and as of January 2010 claimed around 70,000 HD voice endpoints.
The consumer service provider ooma has an estimated 25,000 HD voice endpoints deployed stemming from its rollout of its second-generation Telo hardware.