Traffic engineering
196 Avaya Application Solutions IP Telephony Deployment Guide
The general formula that is used to determine the expanded inbound and outbound CUR
entries in Table 32
is:
where:
● “Type t” refers to IP or circuit-switched
●
●
Table 32: Completed COI matrix for Example 4: Expanded COI matrices
To endpoints in Site ___
1 2 3
I C P I C P I C P
From endpoints in Site ___
1
I
12.7 7.5 0 5.2 2.3 0 2.8 0.37 0
C
7.5 4.4 0 3.1 1.4 0 1.6 0.22 0
P
30.918.100000 00
2
I
5.2 3.1 0 1.9 0.85 0 1.2 0.16 0
C
2.3 1.4 0 0.85 0.37 0 0.54 0.07 0
P
0 0 0 12.5 5.5 0 0 0 0
3
I
2.8 1.6 0 1.2 0.54 0 0.78 0.10 0
C
0.37 0.22 0 0.16 0.07 0 0.10 0.01 0
P
0000007.10.940
Inbound CUR to stations of type t
in Site j over PSTN trunks in Site i
f
j
t
inbound CUR from trunks in Site i
to stations in Site j
⎝⎠
⎛⎞
×=
Outbound CUR from stations of type t
in Site i over PSTN trunks in Site j
f
i
t
outbound CUR from stations in Site i
to trunks in Site j
⎝⎠
⎛⎞
×=
f
i
t
num
er o
type t stat
ons
n
te
total number of stations in Site i
----------------------------------------------------------------------------------
=
f
j
t
num
er o
type t stat
ons
n
te j
total number of stations in Site j
----------------------------------------------------------------------------------
=
