It's certainly not _illegal_ in any way that I can think of, and I expect that anything is better than no information at all. Sounds like a good idea. The only shortcoming I can think of is the lack of ability for the PSAP to hear the address more than once without making an unacceptable delay in connecting the call if you read it back a few times.
This is yet another reason for Asterisk to support some type of in-band DTMF detection from within Dial and jumping using something other than the !$)%)$&!%^ "pound" (#) key.
"This is an emergency call from 123 Main Street, Nowhere, Nebraska, zip code 12345. You will now be connected to the calling party. Press the star key at any time to hear this address again."
The trick would be to have Dial jump out without hanging up, process the possible dialed match string, run the extensions, play back the message again, and jump back into Dial and re-link the legs of the call.
Hmm...
[emergency] exten => 911,1,Dial(Zap/g1/911,jA(read-the-address-file.wav)) exten => 911,2,Hangup
exten => *,1,Playback(read-the-address-file.wav) exten => *,2,Goto(911,1)
New Dial Modifiers:
'J' - Allow calling party to press a single digit to jump out of Dial. The called party hears music on hold (if selected) or silence. If 'J' is specified and there was a previous incantation of a Dial with "J", then the leg is simply reconnected to the holding caller without re-dialing the channel. If the digit specified is not in the context, no action is taken. Only one jump may be specified in a string of Dials; latest jump wins, and previously Jumped Dials are hung up on if more than one is nested.
'j' - Same as "J", but allows called party to press a digit.
JT
What about having your VoIP gateway system placing a 911 call to the 911 answering center in the appropriate region and when the 911 operator answers, have a message say "This is a 911 call from 123 Main Street, Nowhere Nebraska" then connect the caller to the 911 operator. Legal? Maybe. Dunno. Just a random thought that I came up with on the way to the aforementioned middle of nowhere, Nebraska.
>> if only for the control it gives you over your phone service.
Not all VoIP providers will have Vonage's 911 issues. It's perfectly possible for a VoIP provider to provide outbound caller information to the PSAPs if they spend the time and money to do so.
Stephen
haveSummary: if you're the only caller, calling only to the US, then you might be crazy to not use a land line, especially given the deals currently available and the 911 issue (but see http://www.vonage.com/features_911.php). Even then, if you alreadybroadband in house (or at home), VoIP amy be an attractivealternative,
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