Routing the calls to a specific fxo port based the source number.

Answered Question
Dec 9th, 2009

Hi ,

I have a setup with a cisco call manager using h323 Voice GW. I would like a user to make phone call though a specific line / fxo port on the analog line.

What are ways to achieve this.

I have about 8 fxo lines and PRI lines in use by the other users.


I have this problem too.
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Correct Answer by Paolo Bevilacqua about 6 years 10 months ago


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asandborgh Wed, 12/09/2009 - 06:27

Hello Faizal,

If I understand your requirements correctly you need the ability to route calls from a certain phone/line to a particualr FXO port.  There are several ways to do this but I will detail the one that I think would be easiest.

For the selected line set up a partition and calling search space - just for that line/device.  In the partition build new route patterns matching your outbound dial plan.  On each of those route patterns prefix the called number with a number/character that is not used as a leading character in your existing dial-peers on your H323 gateway.  Build new dial-peers to match that leading character and assign them to the desired FXO port.  As with all POTS dial-peers any explicit character match will drop that character, so you could drop not only the leading character at the dial-peer, but also any trunk access codes (0 or 9 or whatever) that the user dialed to get a trunk.




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