[cisco-voip] 911 with one way audio (Jason Aarons (US))

[Kris Seraphine]

This is just a guess but it could be that the 911 calls in the problem area
are going over CAMA trunks to the PSAP.  If my memory serves, CAMA trunks do
not provide the same supervisory signaling.

On 5/27/06, Chris Ellington <chris.ellington at nsi1.com> wrote:
>
> While I've used that as a solution to fixing 911 one-way audio issues,
> does
> anyone know WHY certain destinations, such as 911, 411 etc don't provide
> the
> answer supervision which requires us to use the cut through command below?
> The issue you can run into when using that is the CDRs for any calls that
> aren't providing proper answer supervision don't work correctly
> (usually).
>
> Ideas?
>
> chris
> >
> > Add;
> >
> >
> >
> > voice rtp send-recv
> >
> >
> >
> > ________________________________
> >
> > From: cisco-voip-bounces at puck.nether.net
> > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wydra, Jason
> > Sent: Friday, May 26, 2006 4:54 PM
> > To: cisco-voip at puck.nether.net
> > Subject: [cisco-voip] 911 with one way audio
> >
> >
> >
> > Off the top of your heads, can you give me any ideas why calls to 911
> > would present one way audio? I can hear the 911 center but they cannot
> > hear me. There are 20 remote sites in different states with identical
> > setups. Two out of the twenty are having this problem. The others are
> > fine. One is located in Sacramento and the other is in Edina, MN. All
> > scenarios utilize PRI and H323 gateways. Qwest is the carrier for both
> > trouble sites. There are other sites that use Qwest that work fine.
> >
> >
> >
> > Thanks,
> >
> >
> >
> > Jason Wydra
> >
> >
> >
> >
>
> --
> Christopher S. Ellington
> CCIE #6814
> Network Solutions, Inc.
> (317) 566 8897
> Chris.Ellington at nsi1.com
>
>
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>



-- 
kris seraphine
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