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The Difference Between Dnis And Ani


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#1 wyss34

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Posted 17 October 2008 - 07:25 PM

Correct me if I am wrong please.

I am typing this out because I believe I have an understanding on the uses of these acronyms, but I want to be sure because they seem to kind of overlap in my brain for some reason.

First DNIS - stands for Dialed Number Information Service.  This is the number that is being physically dialed and is typically matched by the outgoing dial-peer using the dial-peer configuration mode command destination-pattern.

ANI - stands for Automatic Number Identification.  It is basically CallerID the number that the call is coming from.  This is typically matched on the inbound dial-peer?

Do I have these straight in my head as far as you guys can tell?

Is it possible to match the ANI with the destination-pattern (I believe so) or do you have to use incoming called-number ?
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#2 wyss34

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Posted 21 October 2008 - 05:36 PM

I thought I would share some information on here for anyone to use for future reference.

I read a few more Cisco docs and re read the dial plan chapter of my Cisco book and I have figured it out. I realize that the ANI information can be used in destination-pattern and answer-address for incoming call leg's and DNIS can be matched in incoming called-number for incoming call legs. For outbound call legs they match DNIS under destination-pattern.

For further reading on Cisco documentation see: http://www.cisco.com/en/US/tech/tk652/tk90...08010fed1.shtml
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#3 VMaliarov

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Posted 14 January 2009 - 10:24 AM

QUOTE (wyss34 @ Oct 18 2008, 06:25 AM) <{POST_SNAPBACK}>
First DNIS - stands for Dialed Number Information Service.  This is the number that is being physically dialed and is typically matched by the outgoing dial-peer using the dial-peer configuration mode command destination-pattern.

Not necessarily physically dialed. Because of in some situations  translation profiles might have been configured. For example you dial 4500, system runs it through  its translation rules that have been set and as the outgoing number (DNIS) you might get something like 3648268 biggrin.gif
The DNIS is matched after the digits manipulations





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