[cisco-voip] Need help with call failure

Sathya thinksathya at gmail.com
Sun Mar 26 21:33:29 EDT 2017


Thanks Ryan.

This is a new setup. My doubt is in the FROM and TO address it is showing
the same trunk and I guess that is also an issue.
I created a SIP profile to change the FROM domain to the originating IP
address.

Let me know if my guess is correct.

Thanks


On Thu, Mar 23, 2017 at 9:14 PM, Ryan Huff <ryanhuff at outlook.com> wrote:

> Is this a new implementation or an in-flight system that recently
> developed this issue?
>
> A couple of things here:
>
> 4xx messages are client related messages while 5xx are server related.
> Your debug only shows evidence of a 403 (forbidden). I would verify that
> the user agent credentials are in-fact correct and also verify you have all
> the signaling addresses accounted for in your IP Address Trust List (I
> would add 172.27.199.1 and 172.27.199.5 to the trust list as this is the
> BVI1 interface you are binding to). Alternatively, if you temporarily
> disable the trust list, does the issue go away? I'm assuming the far end
> is onnet (MPLS ... etc) since you're sending the INVITE out with a private
> IP address.
>
> Thanks,
>
> Ryan
> ------------------------------
> *From:* cisco-voip <cisco-voip-bounces at puck.nether.net> on behalf of
> Sathya <thinksathya at gmail.com>
> *Sent:* Wednesday, March 22, 2017 7:25 PM
> *To:* cisco-voip at puck.nether.net
> *Subject:* [cisco-voip] Need help with call failure
>
> Hello Guys,
>
> Good morning all. This is my first post and excepting your help on an
> issue.
>
> Scenario : Cisco IP Phone --> CUCM --> SIP Trunk --> BE6S (2921 Router)
> --> Sip Trunk --> ITSP
>
> When sending outbound calls from IP Phone to provider it fails sometimes
> with 403 forbidden and 503 Service not available.
>
> CUCM IP : 172.27.199.11
> GW : 172.27.199.1
> ITSP : trunk.abc.com
>
> Attached show run and the CCSIP message.
>
> Calling Number : 0388400000
> Called Number : 0405808398
>
> 855 is the IP Phone extension which gets converted to 0388400000 in the
> Gateway and sending to provider.
>
> I have configured the Region , transcoder and not sure if the source
> interface binding is necessary on Voice service Voip and in the dial-peer.
>
> Also I see the Voip dialpeer to the Service provider is busy out very
> often.
>
> One more thing is , I can see is both From and To address to the Provider
> is showing the same name and I tried to bind the source interface but same
> error.
>
> Your help is highly appreciated.
>
> Thanks
>
>
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