I really not sure what should be the title for this. Basically I am trying to use CUCM to tranfer 911 calls to a onsite emergency response team (extension 999) if someone dialed 911/9911 within the building/campus. The emergency response team should tell who called and location of the person and response accordingly and meantime call out to real 911 as needed; If no one from local response team answered the phone within 2 rings, CUCM re-route call to PSTN to reach police or medic.
I am thinking translation pattern should be able to do the transfer part and use the forward no answer configured on extension 999 to route call to PSTN to reach police. But how can I configure CUCM that just after 2 rings to re-route call to PSTN (I can not apply this cluster-wise though)?
Is there any better and efficient way to configure than what I just described above?
I don't think that would work as the Telco does route 911 calls to a different office depending on caller ID or address sent by the device.
In other words, if internally there is an emergency in your Office A and they call to an internal "emergency response team" on your company and then they call to 911, since the call is actually coming from this other guys it will probably go out to PSTN through a different GW providing a different caller ID and going to a 911 save office which is not on the right place.
I would suggest you to check how the Telco does route 911 calls do you can check if you need to use Caller ID based or Cisco ER.
Thanks, I might look into the Cisco ER but I am really family with the product (actually I am still trying get myself around CUCM comfortly...)
But I do not think you follow what I was trying to say: this is not a multi-site deployment, maybe a multi-campus. There is only one PSTN exist.
So I am pretty sure I can configure a translation parttern to have CUCM route call to ring ext. 999 when someone internally dials 911/9911. From internal user perspecitve, they won't tell that call is actually been re-routed to another extension. But I am not sure if this is the proper or efficient way to do so.
The other thing I am not sure: how to configure call forwarding after 2 riings just for ext. 999?
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