[asterisk-users] Urgent question.

Philipp Kempgen
Tue, 27 Nov 2007 18:18:38 -0000

Alex Balashov wrote:
> Our provider gives us four PRIs as a trunk group hunt group.  Meaning, the
> provider's switch will cycle through B channels in span 1, 2, 3, ...
until
> it finds one that is available.
>
> I have moved spans 2-4 onto another machine.  But we have one remaining
> box with a PRI full of calls and I don't know what to do with them; the
> box is failing, but dropping them by simply yanking the PRI is not
> acceptable from a business POV.
>
> Sending Congestion() or Busy() in the dial plan wouldn't work because
> the far-end switch would simply pass that onto the subscriber, rather
> interpreting it to mean that the B channel is unavailable and it should
> go on to other T1s in the trunk group.
>
> Any ideas?

I think if you just pull the plug the PRI goes to red alarm and
the provider will try one of your other PRIs for new incoming
calls. Of course I don't know how your provider will handle this
so don't trust me. :)


Regards,
  Philipp Kempgen

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