Re: [Sipping-emergency] PIDF-LO Emergency Additions for consideration

["James M. Polk" <[e-mail]>]

Allison

I believe Henning answered the questions well, from my POV

Do you have further comments that I can add more to?

At 10:22 PM 3/14/2004 -0500, Henning Schulzrinne wrote:
>>Henning and James,
>>Could you give more explanation of what you mean by the organzation
>>that provided the LI field value?
>
>This would be the responsible source of the data.
>
>>What would the field be set to for GPS?
>
>For 'handset' location determination, there could be two options:
>(1) omitting the information implies that this was derived by the target 
>itself
>(2) or the identifier (e.g., SIP URI) of the target could be used
>
>This seems useful primarily if the location information was determined by 
>a third party.
>
>The slightly tricky part is that this could be considered to overlap with 
>an S/MIME signature, but it is somewhat different: the signature indicates 
>who vouches for the information, while the information here indicates who 
>generated the information.
>
>
>>Could we (here) get a better feel for what use you expect the emergency
>>center to make of this info?
>
>The discussion so far has been primarily for debugging purposes, if I 
>understand James' and Nadine's comments. For example, if the information 
>turns out to be wrong or dubious, the PSAP would then have somebody to ask 
>about this and find out what happened.
>
>I believe this type of information is included in existing location 
>conveyance mechanisms, although I'd like to be convinced that a URI would 
>indeed allow lossless relaying of such information.
>
>
>>Allison
>
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cheers,
James

                                *******************
                 Truth is not to be argued... it is to be presented


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