[cisco-voip] 503 service unavailable

[Brian Meade]

So it doesn't show up in the search history on VCS at all?

What is the 503 Service Unavailable in response to?  The Invite sent to VCS
and 503 is sent by VCS?  If so, what does the Invite look like?

On Fri, Feb 26, 2016 at 8:55 AM, Andy Carse <andy.carse at gmail.com> wrote:

> Ok, so this used to work but now in cucm logs I see 503 service
> unavailable.
>
> There are 3 mx200 g2 that are used for conferencing.
>
> They are trying to call an h323 end point out on the interweb.
> 123.123.123.123
>
> So we have the users dial ip at 123.123.123.123
>
> We have a sip route pattern 123.123.123.123 which points to the vcs sip
> trunk.
>
> On the vcs we have a transform that
> Strips off the ip@ and points at the traversal zone.
>
> It apparently used to work, but now it doesn't get passed to vcs. Cucm
> shows 503 service unavailable.
>
> Everything looks ok, but I'm missing something....
>
> Thanks in advance
>
> Regards Andy
>
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