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?
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