What happens to voice packets from a Cisco 8845 IP Phone in the QoS trust boundary?

What happens to voice packets from a Cisco 8845 IP Phone in the QoS trust boundary?
A . The phone and access layer switch negotiate the classification of packets
B . The voice packets are classified by the phone, and the classification is accepted.
C . Cisco UCM determines how the voice packets are classified
D . The voice packets are not trusted, and the access layer switch reclassifies the packets.

View Answer

Answer: B