[asterisk-users] Is it valid to Dial(DAHDI/g0/12345wwwww88888888) on an ISDN trunk?

[Johann Steinwendtner]

On 2012-01-09 17:46, Alex Villací­s Lasso wrote:
> I am trying to collect information regarding a bug report for Elastix (http://bugs.elastix.org/view.php?id=1146). In this bug, an user has asterisk-1.8.7 and dahdi-2.4.1.2. He is trying to make an
> outbound call through an ISDN trunk, by placing Dial(DAHDI/g0/12345wwwww88888888) in order to send 12345, then wait a period, then send 88888888. I am still waiting for a response on what particular
> telephony card he uses, and the kind of ISDN setup (T1/E1/BRI) being used, but I want to know: Is this dialstring expected to work with an ISDN trunk? If so, are there any configurations that might
> cause it to stop working? The user claims that this same dialstring worked with Elastix 1.6 which had dahdi-2.2.0.2 and asterisk-1.4.26.1.
>
> Some additional information: the user reports that the dial attempt fails with hangup cause 28. From http://helpdesk.netcentral.co.uk/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=293
> <http://helpdesk.netcentral.co.uk/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=293> [^ <http://helpdesk.netcentral.co.uk/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=293>] :
>
> Code No. 28 - invalid number format (address incomplete).
> This cause indicates that the called party cannot be reached because the called party number is not in a valid format or is not complete.
>
> Is it actually possible that the code is trying to send a string of 'w's through the ISDN link? Or am I misunderstanding?

I'm using 'w' to force sending the 'sending complete' IE in an ISDN setup message.
But I don't know the usage of multiple 'w' in the  dialstring.


regards

Hans