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Re: [Sip] nit in draft-wing-sip-e164-rrc-01

"Dan Wing" <dwing@cisco.com> Sat, 01 March 2008 00:36 UTC

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From: Dan Wing <dwing@cisco.com>
To: 'David Schwartz' <David.Schwartz@Kayote.com>
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Date: Fri, 29 Feb 2008 16:35:43 -0800
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Cc: sip@ietf.org
Subject: Re: [Sip] nit in draft-wing-sip-e164-rrc-01
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> -----Original Message-----
> From: sip-bounces@ietf.org [mailto:sip-bounces@ietf.org] On 
> Behalf Of David Schwartz
> Sent: Tuesday, February 26, 2008 2:31 PM
> To: dwing@cisco.com
> Cc: sip@ietf.org
> Subject: [Sip] nit in draft-wing-sip-e164-rrc-01
> 
> 
> Hi Dan
> 
> a quick comment on this draft...
> 
> There is no discussion of what happens when there is a 
> validation failure. While obvious, you should probably 
> reference 4474 processing upon validation failure (i.e. 
> respond with 438 'Invalid Identity Header'). And while on the 
> topic in your second example where the cert comparison test 
> fails your diagram still shows the call proceeding to its 
> destination (hence the earlier comment).

I'm not sure we want to fail a call if validation fails; 
rather, we may want to allow it to complete and tell the
user 'unauthenticated caller' (similar to what the PSTN 
does today by displaying "unidentified call" when caller
ID failed).

-d

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