[cisco-voip] AS5300 Call Routing

[Nick Matthews]

There would be two primary ways of changing the outbound dial peer
based on an incoming port:
1) Something similar to the solution below, where you prefix digits to
the dialed string inbound, match a different outgoing dial peer, and
strip the digits off there
2) corlists.  Design it so that the incoming dial peer has a corlist
defined that only matches one outgoing dial peer with a matching
corlist.

Given the choice, I'd probably go with 1.  It's easier to
troubleshoot, and has a few less moving parts.  2 is slightly more
graceful and gives you more options, but is confusing.  However, it
would probably scale better.

Since you're just doing this based on port, you're probably fine with
prefixing digits

It would look a something like this:

voice translation-rule 1
rule 1 /\(.*\)/ /#1\1/

voice translation-profile add-1
translate called 1


voice translation-rule 2
rule 1 /\(.*\)/ /#1\1/

voice translation-profile add-2
translate called 2

voice translation-rule 3
rule 1 /#.\(.*\)/ /\1/

voice translation-profile strip-prefix
translate called 3


dial-peer voice 1 pots
port 1/0:23
translation-profile incoming add-1

dial-peer voice 2 pots
port 2/0:23
translation-profile incoming add-2

dial-peer voice 11 voip
session target ipv4:1.1.1.1
destination-pattern #1.T
translation-profile outgoing strip-prefix

dial-peer voice 21 voip
session target ipv4:2.2.2.2
destination-pattern #2.T
translation-profile outgoing strip-prefix


All calls that come in on 1/0 have a #1 prefixed, match dial peer 11,
and prefix is stripped.  All calls from 2/0 have a 2# prefixed, match
dial peer 21, and prefix is stripped.


-nick



On Tue, Mar 31, 2009 at 4:27 PM, Jeremy Rogers
<Jeremy.Rogers at ip-soft.net> wrote:
> Thanks.  I am looking to to this on a Voip dial peer for the outbound leg to a SIP gateway.  They require DNIS info for their internal routing so I don't see a way to say "anything coming from port 1/0:13 go to x IP address".
>
> Jeremy Rogers
> Network Management
> IPsoft, Inc.
> Jeremy.Rogers at ip-soft.net
> Phone: 888.IPSOFT8
> http://www.ipsoft.com
>
>
>
> -----Original Message-----
> From: Alex Balashov [mailto:abalashov at evaristesys.com]
> Sent: Tuesday, March 31, 2009 4:27 PM
> To: Jeremy Rogers
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] AS5300 Call Routing
>
> It is possible to apply a translation-profile to a voice-port.  From
> there, you can add a prefix that can be matched by an outgoing dial-peer
> and stripped off.
>
> Jeremy Rogers wrote:
>
>> Hi,
>>
>> I have a customer who is looking to see if they can change an incoming
>> Voip dial peer on an AS5350 to route based on the source port instead of
>> a dial string.  I don't believe there is but was wondering if anyone had
>> come up with a way to do this.
>>
>> They have a lot of numbers coming the ports and as it stands, every time
>> a new number is provisioned we need to create a new dial peer.  They are
>> looking to get away from this if possible.  Has anyone done this?
>>
>>
>>
>> Thanks.
>>
>>
>>
>> Jeremy Rogers
>>
>> Network Management
>>
>>
>>
>>
>>
>>
>> ------------------------------------------------------------------------
>>
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>
> --
> Alex Balashov
> Evariste Systems
> Web    : http://www.evaristesys.com/
> Tel    : (+1) (678) 954-0670
> Direct : (+1) (678) 954-0671
> Mobile : (+1) (678) 237-1775
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