Users report intermittent call failures. All calls must invoke an IOS-based transcoder, registered to Cisco Unified Communications Manager, to be successful. Which two commands can be used to rule out issues with the transcoder?

A.	Router#debug voip ccapi inout
B.	Router#debug ccsip message
C.	Router#show dspfarm profile
D.	Router#show version
E.	Router#debug sccp messages