[cisco-voip] How NOT to send Suspend on ISDN?

Paul asobihoudai at yahoo.com
Mon Mar 31 10:48:21 EDT 2008


Have you confirmed the correct type of switch is
configured?

--- Kelemen Zoltan <keli at carocomp.ro> wrote:

> Hi,
> 
>   we have a customer with CME 4.0, and an ISDN PRI
> line to the PSTN. We 
> had some complaints lately, that some calls coming
> from the PSTN 
> disconnect when they want to transfer the call.
> 
>   Since we didn't find anything on our end, the PSTN
> provider offered a 
> trace, telling that our problem is, that we are
> sending SUS (Suspend 
> ISUP message) to the remote end, and some
> endpoints/PBXs/etc. will 
> disconnect on a Suspend message.
> 
> While this seems a bit strange to me (I never hit
> this issue before with 
> other providers), is there a way, I could block such
> messages from 
> leaving our gateway and just provide the remote end
> with music on hold?
> 
> thanks,
>   Zoltan
> 
> 
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
> 



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