which Cisco enterprise medianet application class does Cisco Unified Personal Communicator belong?

To which Cisco enterprise medianet application class does Cisco Unified Personal Communicator
belong?

A.
VoIP Telephony

B.
Real-time Interactive

C.
Multimedia Conferencing

D.
Broadcast Video

E.
Low Latency Data

Explanation:
Enterprise Medianet QoS Recommendations

http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/WAN_and_MAN/QoS_SRND_40/QoSI
ntro_40.html#pgfId-61116