[cisco-voip] PRIs using MGCP

[Tim]

Thanks for the responses. I too use AT&T so don't know if it will work.
Also, I have to reset the gateway after enabling "status poll."  I'm scared
to hit that button as I believe all calls will probably drop at that point
anyhow, which is why I'm trying to busy them out.  Do you all know if it
will kill active calls if I enable status polling and apply config?

 

Thanks!

Tim

 

From: Jason Burns [mailto:burns.jason at gmail.com] 
Sent: Friday, April 20, 2012 2:35 PM
To: Erick Wellnitz
Cc: Tim; cisco-voip VOIP
Subject: Re: [cisco-voip] PRIs using MGCP

 

Part of this depends on the provider. 

I've tried this with both SIP (on the GW) and MGCP (in CUCM as Eric
mentioned) controlled gateways with mixed results.

When the provider honors the busy status of your channel via the in / out of
service message it works great.

ATT in Atlanta does not honor the busy status unless you order that specific
service from them. You can set all your channels to busy and they'll still
send calls in if the D channel is up and they haven't logged calls on those
channels. It was a HUGE pain because we were trying to use the SIP busyout
keepalive function, but wound up having to use a script to just take down
the whole D-channel instead for inbound call failover.

Verify with 'show isdn status' and 'show isdn service'. If your channels are
in the busy state but you're still getting inbound calls then check with
your provider.

-Jason

On Fri, Apr 20, 2012 at 1:43 PM, Erick Wellnitz <ewellnitzvoip at gmail.com>
wrote:

It's only supposed to be for troubleshooting but look at 'change b-channel
maintenance status' in CallManager service parameters

On Fri, Apr 20, 2012 at 12:34 PM, Tim <bcchimp at gmail.com> wrote:

I'm using quite a few PRIs via MGCP to CUCM.  I'm wondering if there's a way
to busy up the PRI channels so that they'll start using the other PRIs on
the other router.  Trying to reload one of my routers, but can't stop the
inbound calls from coming in on the certain PRIs.  I was thinking it's
possible, but maybe not.

 

Thanks,

Tim

 

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