You are evaluating the implementation of a SIP trunk in the main office to support the planned Lync Server 2010 deployment. You need to calculate the minimum amount of bandwidth required for PSTN calls. How much bandwidth is required on the network connection to the SIP trunk?
A.
33.98 Mbps
B.
58.40 Mbps
C.
41.80 Mbps
D.
25.29 Mbps
Explanation:
SIP Trunk Peak Bandwidth = Max Simultaneous Calls x (64 kbps + header size). Header size is 20 bytes maximum. (http://technet.microsoft.com/en-us/library/gg425743.aspx)Lync Server 2010 supports only the following codecs:
* G.711 a-law (used primarily outside North America)
* G.711 -law (used in North America)