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Re: [Sip-implementors] [Sip] SIPit 20 survey summary

Klaus Darilion <klaus.mailinglists@pernau.at> Mon, 14 May 2007 07:22 UTC

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Date: Mon, 14 May 2007 09:22:33 +0200
From: Klaus Darilion <klaus.mailinglists@pernau.at>
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To: "Mark R. Lindsey" <lindsey@e-c-group.com>
Subject: Re: [Sip-implementors] [Sip] SIPit 20 survey summary
References: <075001c788fc$9f6a2be0$640fa8c0@cis.neustar.com> <001401c78976$5f8dc020$0601a8c0@BEMBUSTER> <2296E180-5F91-40B0-876A-7806949C7689@e-c-group.com>
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Cc: discussion@sipforum.org, IETF SIP List <sip@ietf.org>, Robert Sparks <rjsparks@estacado.net>, Juha Heinanen <jh@tutpro.com>, sip-implementors@cs.columbia.edu
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Mark R. Lindsey wrote:
> It is much more reasonable to expect the service-provider/enterprise to 
> implement the location conveyance. They'd add the location in their 
> proxies/B2BUAs/ALGs. For example, an enterprise building ALG could add 
> its location before sending the call to an SP.

What if there is no service provider at all? SIP phones may perform 
emergency calls on there own - without the need of a service provider. 
Otherwise - if your service provider is down - you can't make emergency 
calls.

regards
klaus


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