I may have answered my own question.
Call Control QOS
Byte
(TIMG units connect only to a LAN) 104 (equivalent to DSCP AF31)
(TIMG units connect to a WAN) 104 (equivalent to DSCP AF31)
RTP QOS Byte (TIMG units connect only to a LAN) 184 (equivalent to DSCP EF)
(TIMG units connect to a WAN) 184 (equivalent to DSCP EF)
anyone want to confirm this?