A customer has 80 remote users, and you expect 25% of the users will be connected at any one time using G.729. Assuming the following requirements:
• a G.729 codec requires 30 kbps
• a G711 codec requires 80 kbps
• 720p HD video codec requires 512 Kbps
How much bandwidth is needed for a public interface WAN link of the centralized SBCE for the deskphones used by remote workers?
A . 6400 Kbps
B . 2400 Kbps
C . 1600 Kbps
D . 600 Kbps
Answer: A