Are you not able to see the sessions at all in the show datapath session ucc? or are you not sure if they are being prioritized when teams is used?
Are the clients visible in the show clients?
Try making a video or a voice call and check to see if there is any information in the "show datapath session UCC"
What is value that is being marked for the audio and video?
Is an entry visible in the "show datapath session dpi" for this session(video/voice)?