ZyXEL Communications P-3202HN-Ba User Manual page 172

Chapter 14 Quality of Service (QoS)
two classes are assigned priority queue based on the internal QoS mapping table
on the IAD.
Figure 80 QoS Example
VoIP: Queue 6
Boss: Queue 5
IP=10.1.1.23
172
Ethernet
50 Mbps
IAD User's Guide