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218 Avaya Application Solutions IP Telephony Deployment Guide
Example 6: IP bandwidth considerations
The information in Figure 70 and Figure 71 along with the information in Table 33 produces the
following tables of bandwidth usages that are associated with the configuration in Example 4:
Expanded COI matrices.
Table 39: IP LAN bandwidth usages (Erlangs) for Example 6: IP bandwidth
considerations
Endpoints Site 1
(Atlanta)
Site 2
(Boston)
Site 3
(Cleveland)
Intrasite: I, I 12.7 1.9 0.78
Intrasite: I, C or P 76.8 26.7 14.4
Intrasite: C or P, C or P 0 0 0
Calls from site 1 to site 2 12.0 12.0 0
Calls from site 2 to site 1 12.0 12.0 0
Calls from site 1 to site 3 5.0 0 5.0
Calls from site 3 to site 1 5.0 0 5.0
Calls from site 2 to site 3 0 2.0 2.0
Calls from site 3 to site 2 0 2.0 2.0
Totals 123.5 56.6 29.2
Table 40: IP WAN bandwidth usages (Erlangs) for Example 6: IP bandwidth
considerations
Endpoints WAN bandwidth
(Erlangs) between
Sites 1 and 2
WAN bandwidth
(Erlangs) between
Sites 1 and 3
WAN bandwidth
(Erlangs) between
Sites 2 and 3
Calls from site
1 to site 2
12.0 0 0
Calls from site
2 to site 1
12.0 0 0
Calls from site
1 to site 3
05.00
Calls from site
3 to site 1
0 5.0 0
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