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« on: March 08, 2019, 05:10:19 AM »
Are calls in and out of the PRI OK both ways and only fail when you transfer? If so that proves to me the PRI is not the issue. That leaves the way it is routed differently from the successful call transfer on the other PRI. How is the VPN set up? Have you got full control of it? I agree its odd the VPN works for one pri but not the other but as I say , if its working for one fine and the not the other but both are ok in to the vMCD then can you test and see if a call transferred externally but not to the VPN works. If it does it confirms my thinking. If not then it may be the PRI.
Are both PRI's on the same controller? If not then a simple swap of PRI's will prove a hardware fault.
If you can call the VPN site directly does that not prove that the sites controller is fine? If so then the fault has to be on the vpn. How is the vpn set up? It could be coincidence that a network change somewhere has occoured at the same time of the changeover. Did the fault occur immediately or was there a time lapse before the problem occurred?
Or of course I could be completely wrong.