work on docs

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Andreas Eversberg
2016-12-06 17:45:48 +01:00
parent 27c6e3d860
commit eed826387a
5 changed files with 79 additions and 12 deletions

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@@ -175,6 +175,12 @@ The base station detects the tone is missing and the speech path is connected th
<center><img src="a-netz-yellow.jpg"/></center>
<p>
Theoretically all combinations of 30 tones could be assigned to 27405 different subscribers.
Only 24375 combinations can be encoded with the last 5 digits, because some digit combinations do not define 4 different tones or would generate the same 4 tones as other digit combinations do.
The actual limitation of subscribers were cause by the limited number of available channels.
</p>
<p>
4. Release by the mobile station
<br><br>