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.
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
Summary: 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 already
have
broadband in house (or at home), VoIP amy be an attractive
alternative,
if only for the control it gives you over your phone service.
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