Define voice quality?
The Chesty Voice. this is a deep hollow voice as if coming from a deep and empty cave. It's voice quality has less nasal resonance and it is accompanied by a vibration in the bony structure of the upper chest, thus making it a chesty voice with a "pectoral" qualitly. This voice quality is particularly effective in speaking the part of a spirit or a ghost. Ex. the Shakespeare's plays that make frequent use of…
Vocal Quality is the personality, tone or texture of a voice. e.g. in twilight, edward's voie is considered "velvetly" and that would be a voice quality. some undersirable voice qualities are breathy, strident, nasal and denasal. by the way, this is something that is discussed very throughly in acting school, so rather than putting this question in the "music" category, it would be better in the "performing arts" category. :)
Yes, Voice systems such as IM applications (AIM, MSN, Yahoo, Skype) as well as Voice over IP phone systems (such as Vonage) work wirelessly. However, wireless signals are very slow, weak, and lossy. So the quality of the voice may be very poor or unusable, based on the quality of the wifi connection and your computer.
There are many approaches to using voip on your network. you can simply treat the voice traffic as regular data traffic. this approach can lead to poor quality voice calls however. you can also use qos (quality of service) and vlans to better design your voice infrastructure. The easiest is to subscribe to a VOIP provider.