How does QoS optimize voice traffic?

QoS manages how bandwidth is utilized by prioritizing traffic, but it does not inherently reduce bandwidth usage; compression technologies typically handle that.

Reducing packet loss is a positive outcome of effective QoS for voice, but the mechanism to achieve this is primarily through differentiation and prioritization, not just 'reducing packet loss' as a direct action.

QoS optimizes voice traffic by classifying and differentiating it from other less time-sensitive data, such as video or standard data traffic. By marking voice packets with a higher priority, QoS mechanisms ensure that voice packets are processed and forwarded preferentially, thereby minimizing latency, jitter, and packet loss critical for high-quality voice communication.

Increasing jitter is detrimental to the quality of voice traffic; QoS is designed to minimize or reduce jitter to ensure clear and smooth communication.