Which of the following statements are correct regarding VoLTE?

(A) VoLTE stands for 'Voice over Long Term Evalution'.

(B) It is a digital packet voice service delivery over IP via an LTE access network.

(C) Provides more efficient use of spectrum than traditional voice.

(D) Eliminates the need to have voice on one network and data on another network.

Choose the correct answer from the options given below: