Actually I am biding for the project and I am in between the provider and the customer. The customer wants me to do a demonstration first as a *proof of concept* but the data will be subject to the final confirmation by the provider. Until then I won't be able to talk to the provider directly as it is masked by the customer. Any suggestions?

[EMAIL PROTECTED] wrote:
... I plan to use Asterisk as the front end to connect to a provider who will connect via SIP trunk and pass all 911 calling informations like...
1. ANI (Automatic Numbering Information)
2. ALI (Automatic Location Information)
a. Caller no
b. Building name / caller name
c. Address
d. Latitude and Longitude of the caller address

3. Incident Information
a. Incident code
b. Incident Description.
c. might have other information as well.

Then I wish to pass these through the manager interface where it can be collected and processed into a database server to display it on a console... perhaps like a crm pop-up.


You will need to contact the provider that will send these details via SIP and ask of the standard they will be following. I'm not aware of any single standard that will address the information you are expecting.

You might want to review: http://www.voip-info.org/wiki/view/Asterisk+-+documentation+of+application+commands#SIPcommands

http://www.voip-info.org/wiki/index.php?page=Asterisk+func+sip_header
Synopsis - Gets the specified SIP header

http://www.voip-info.org/wiki/view/Asterisk+cmd+SIPGetHeader
With this app, you can pick any header from an incoming invite and
stuff it into a channel variable. It is a generic way of supporting any header a vendor or service provider may add that you want to use in your dialplan.

In the US, the PSAP (Public Safety Answering Provider/Point) is given the ANI (an identification number, normally a billing phone number) with the telephone call and they must then use a seperate communications circuit connecting them to a database provider to query for the information needed to dispatch the call.

Please let me know what standard or spec they are using in their SIP calls. As a CLEC and VoIP service provider myself, I'm always interested in learning of new developments in this area.


  -Eric Osterberg
    Sound Choice Communications LLC
     Minnesota, US

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