[asterisk-users] [OT] Mediatrix Euro ISDN hangup problem

giovanni.v iax at keybits.org
Mon Feb 11 16:40:56 CST 2013

On 11/02/2013 17.01, Jean-Denis Girard wrote:
> So the solution would be that the network does not send the progress
> indicator in the Disconnect message, or find a configuration parameter
> on the gateway so that it ignores the progress indicator, right?

I believe the first one will be not a viable option at all, no telco 
will change any important protocol compliance rule on a "per subscriber" 

Now forget your gateway for a moment and make a call on an imaginary 
phone connected to your PRI, after that call successfully answered let 
the called party hang up before you do.  What you expect to hear? Sure, 
a disconnect tone... so you will put your phone on hook and the phone 
will send a disconnect immediately.

Your pri<->gateway<->asterisk should work the same, even if the gateway 
does not send a disconnect immediately the user who started that call 
will hang up at least when hearing the disconnect tone (good feedback 
for humans, no?) and asterisk will send a bye to the sip gateway then 
that one shall initiate a disconnect on the user side.

Check also if your gateway allow for customization to remap isdn/q.931 
messages to sip.

Sorry, hope you will be able to understand because English isn't my 
native language.

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