Hey,
Please check the codecs, between GW and CFB in the picture.
What you get when dialing into the Meetme?
From other CCM with version 3.1 or 3.3 using ICT?
Check Inbound calls CSS in GW/ICT & Meetme partition.
What type of CFB you are using?
H323 by default announces G.729 check the codec between the GW and CFB.
Let us know
-Gonz