[SIPForum-discussion] Route advance query

[Ankit]

Sandra,

I appreciate your response.

As per the response code, it should definitely do route advance. But my
concern is that will it do route advace, if my vendor sends me the release
code after *18X*......not after *100 trying* message.

Concern is that once 18X is being sent from my vendor side, it indicates
that OLC has been established / or Media path has been established. So will
route advance works, if media path has already been established on the
current vendor?

-- 
Thanks and Regards,
Ankit Kumar

2008/10/24 Cirlincione, Sandra <sandra.cirlincione at boeing.com>

>  Ankit,
>
>
>
> Experience over the last few days with this, would indicate that it will
>  advance if you have something in your configuration to force the next
> route.
>
>
>
> A 503 error seems to indicate that the service is not reachable,
> unavailable, or cannot complete.  It basically looks like an "unsuccessful"
> call attempt which tells your system that the route you've chosen was not
> successful.  That reply allows the routing device to try the next preference
> route.
>
>
>
>
>
> *Sandra.Cirlincione @boeing.com*
> SSG - IT, Enterprise Voice Engineering, VoIP/Convergence
> MOC pilot *425.865.3214*    (One number reach)
>
> Home Office 425.373.8293
> Desk  206.766.5888
> Cell 425.417.3138
> *Wishing you happiness, hope, or health, take what you need.*
>
>
>
> *From:* discussion-bounces at sipforum.org [mailto:
> discussion-bounces at sipforum.org] *On Behalf Of *Ankit
> *Sent:* Friday, October 24, 2008 2:49 AM
> *To:* discussion at sipforum.com
> *Subject:* Re: [SIPForum-discussion] Route advance query
>
>
>
> Can somebody help me out?
>
> --
> Thanks and Regards,
> Ankit Kumar
>
> 2008/10/24 Ankit <erankitkumar at gmail.com>
>
> Hi Folks,
>
> I need one suggestion on a query. Scenario is:-
>
> Lets say we have 2 backup vendor on routing. Will the GW or Switch or SBC
> do route advance if he gets error (lets say 503 or 34 in ISDN) from his
> previous vendor after 18X message?
>
> Ex:-
>
> Invite.....>
> <100 trying..........
> <180/183..............
> < 503 service unavailable----------------
>
> If yes, then why so and if no, why no?
>
> --
> Thanks and Regards,
> Ankit Kumar
>
>
>
>
>
>
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