How much bandwidth is needed for voice traffic on the WAN link for each branch?

Posted by: Pdfprep Category: 31860X Tags: , ,

You are recommending the WAN link requirement per branch for a multi-location customer. The customer estimates the branch Inter-office communication use rate over the WAN to be one trunk per 20 branch users, and there are 460 users at each branch. You assume that after all header compressions have been applied, there is a 30% protocol overhead, and the G.729 codec being used provides 7.2 kbps.

How much bandwidth is needed for voice traffic on the WAN link for each branch?
A . 187.2 Kbps
B . 115.9 Kbps
C . 165.6 Kbps
D . 215.3 Kbps

Answer: B

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