22. World Class Routing – Part 3 – ARS tables.

I hope you remember the discussion regarding dialplan (where you added the 9 as a FAC) and the feature access codes because you will need them here. We spoke about how the system knows to access the outer world via routes and trunks and how to restrict the users via the FRL. However, what we did not spoke of was ...

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10. The Dialplan

The Dialplan. TAC, DAC, FAC, EXT, ATTD ... Someone explain all these to me you say and here I am. Keep on reading for all the info you will need on the dialplan. Comes with examples and also has a trick in it. Would you be able to find it ?

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7. The phone numbering system

So, i had some close friends telling me the other day that they were confused in regards to the phone numbers. I'll try to explain it as best as i can. This post tries to answer questions like "what is an NNX" or "what is an NPA" or even the generic "how a phone call is made"  ? Basically, at ...

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