Since this is highly dependent on the specific network, I don't think
we can say anything useful. The VSP will figure this out, based on
local needs and capabilities. For example, a Vonage-like VSP may
initially simply insert the user-provided location, i.e., the address
customers typed into a web form. A combined VSP/ISP could use some
proprietary mechanism that only works with its particular brand of
equipment. The Hogwart's VSP would probably use Professor Trelaney's
Unless there's an IETF protocol that we can tell somebody to
implement, what useful information are we going to provide to the
implementor and operator? Saying "only insert location information if
you have it" isn't terribly helpful. But maybe you have a concrete
proposal that the VSP should always use?
[trimming huge 10-deep quote]
On Jul 15, 2007, at 10:34 AM, Hannes Tschofenig wrote:
But we cannot leave this aspect open. We need to specify actions
that the different parties have todo.
As part of this description, the framework document makes it very
clear that the end host obtains location information (*).
The 3GPP has a different architecture for emergency services and
We cannot just make such a vague statement that the VSP may add a
reference to location information without explain the big picture.
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