Which two audio codec’s consume less than 15 kbps? (Choose two)

A.
G.711

B.
G.723

C.
G.728

D.
G.729

Explanation:

The H.323 protocol suite defines the following audio codecs: G.711 consumes 56/64kbps for transmission G.723 consumes 5.3/6.4kbps for transmission G.728 consumes 16kbps for transmission G.729 consumes 8/13kbps for transmission All H.323-compliant devices must support, at a minimum, the G.711 audio codec.