Default Values for MiVoice MX-ONE
For MX-ONE, the following values apply:
| Symbol |
Meaning |
|---|---|
| α |
0.2 erlang /terminal (0.1 internal + 0.1 external) |
| B n |
0.01 |
| R h |
1.2 |
| h |
90 seconds ({60 seconds internal + 120 seconds external} /2) |
| A n |
0.5 erlang per trunk/ loss resource for groups = 10 channels |
| A n |
0.6 erlang per trunk/ loss resource for groups 11 - 20 channels |
| A n |
0.7 erlang per trunk/ loss resource for groups 21 - 35 channels |
| A n |
0.8 erlang per trunk/ loss resource for groups > 35 channels |
| n |
1-500 devices |
| A h |
n x R h x α = h x λ/3600 |
Example: How many trunk lines are needed for 250 IP extensions?
A = 250 x1.2 x 0.1 = 30 Erlang, 0 Erlang at B h = 0.01 => 40 trunks are needed.
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