[cisco-voip] isdn channels full message

[Ryan Huff]

I don't believe so, at least not on the CPE side. 

The presence of all channels being busy would indicate that there aren't any channels available for the next call (or the next call after all channels are busy) to ring through the PRI for you to forward to voicemail, even if there were a way for you to act upon channel utilization.

If you are trying to use conditional routing based on full PRI capacity, you'd probably have to work with your carrier and see if they can forward upon full channel utilization (they have the capability to do that, but will they is the question). However, they wouldn't be able to forward through the utilized PRI in that scenario, they'd have to forward to an alternate number.

Thanks,

Ryan

From: abbaseo at gmail.com
To: cisco-voip at puck.nether.net
Date: Tue, 23 Jun 2015 11:38:55 +0100
Subject: [cisco-voip] isdn channels full  message

Hi  folks, CUCM 9 and H323 gateways with ISDN channels to PSTN. We want to redirect to VM when all the channels are full.  Can CUCM do it or Dpeer? Thanks  
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