Drag the signaling methods from the left and drop them in the correct position in the graphic on the right.
drag the elements to the right and drop them in the order in which a voice gateway matches inbound callls.
Drag the components that make up Cisco fax relay and T.38 from the left and drop them under the appropriate category on the right.
Drag the functions that are associated with H.245 from the list on the left to the boxes on the right.
Drag the appropriate DSP resource for each gateway from the list to the correct locations in the graphic so the call can be completed.