Todd,
Data on who is where is provided by your phone CO to the 911 dispatch. That being said, the hitch is then how to coordinate your information with your phone company. Currently, as far as I can tell, you'd have to provide a DID to each phone and make sure that each phone can send out that DID. That DID would then need to be tied in the 911 database somehow to an address and room number. Then you'll have the joy of making sure that the phone doesn't move. Even if you have something fancier that is 'automagic' it is tied to the Ethernet port of the network switch. The customer needs to be extremely diligent about what is plugged in where. The onus needs to be put on the customer to maintain that level of detail and assume that liability of possibly supplying bad information in the case of an emergency. Usually when I start explaining this to the customer they realize that they don't want to go to that level of managing ports in their system and are fine with just reporting the address and having the PBX make sure the appropriate parties are notified as to what extension dialed 911. Personally, I'd rather provide some of the right information than provide bad information. Mike From: [email protected] [mailto:[email protected]] On Behalf Of Todd Hodgen Sent: Wednesday, February 10, 2010 6:35 PM To: [email protected] Subject: [sipx-users] Enhanced 911 Has anyone done any playing around with Enhanced 911 outside of providing a local trunk for each building? For example, in a school environment, you want to report the exact building and possibly classroom that the call comes from. I'm curious if we can override the outbound caller ID with some unique identifier to provide this type of information? Seems not likely, but I'd love to hear if anyone has played around with that field and 911 before. Any thoughts?
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