Packet voice processing board PVM, manage and control the narrowband user board in the UA5000 chassis. Which of the following is wrong?

Packet voice processing board PVM, manage and control the narrowband user board in the UA5000 chassis. Which of the following is wrong?
A . Implement V5 protocol and
B . 248/MGCP protocol processing
C . Support TDM voice signal uplink to the switch through the V5 interface
D . Support TDM voice encapsulation into IP packets uplink to softswitch equipment
E . Support TDM voice encapsulation into ATM cell uplink to softswitch equipment

Answer: D