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Traffic engineering
Table 28: Completed COI matrix for
1
2
3
The general formula that is used to determine the expanded inbound and outbound CUR
entries in
Table 28: Completed COI matrix for Example 4: Expanded COI matrices
Inbound CUR to stations of type t
in Site j over PSTN trunks in Site i
Outbound CUR from stations of type t
in Site i over PSTN trunks in Site j
where:
"Type t" refers to IP or circuit-switched
160 Avaya Application Solutions IP Telephony Deployment Guide
To endpoints in Site ___
1
I
C
P
12.7
7.5
0
I
7.5
4.4
0
C
30.9
18.1
0
P
5.2
3.1
0
I
2.3
1.4
0
C
0
0
0
P
2.8
1.6
0
I
0.37
0.22
0
C
0
0
0
P
number of type t stations in Site i
t
--------------------------------------------------------------------------------- -
f
=
i
total number of stations in Site i
number of type t stations in Site j
t
----------------------------------------------------------------------------------- -
f
=
j
total number of stations in Site j
Example 4: Expanded COI matrices
2
I
C
P
5.2
2.3
0
3.1
1.4
0
0
0
0
1.9
0.85
0
0.85
0.37
0
12.5
5.5
0
1.2
0.54
0
0.16
0.07
0
0
0
0
inbound CUR from trunks in Site i
t
=
f
j
to stations in Site j
outbound CUR from stations in Site i
t
=
f
i
to trunks in Site j
3
I
C
P
2.8
0.37
0
1.6
0.22
0
0
0
0
1.2
0.16
0
0.54
0.07
0
0
0
0
0.78
0.10
0
0.10
0.01
0
7.1
0.94
0
is:
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