Which of the following is an 8 kbps codec?

A.
G.711

B.
G.723

C.
G.726

D.
G.729

Explanation:
G.711 = 64 kbps
G.723 = 5.3 / 6.3 kbps
G.726 = 32 kbps
G.729 = 8 kbps