While troubleshooting a transcoding issue, where you need 32 G.711 to G.729a sessions, you realize the DSP capacity may be undersized. Which two can support your requirement?

A.	PVDM4-16
B.	PVDM4-32
C.	PVDM4-48
D.	PVDM4-64
E.	PVDM4-128