You are working on a VoWLAN design with your customer's wired networking team.

1 priority level, but 2 queues (one for uplink traffic, one for downlink traffic)

1 priority level per client and AP pair, so the total number depends on the expected number of clients

1 priority level for voice RTP, 1 priority level for voice control and RTCP

1 priority level for VoWLAN client traffic, 1 priority level for wired VoIP client traffic