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

From: "DRAGE, Keith \(Keith\)" <[email-masked]>
Date: Mon, 3 Mar 2008 08:43:43 +0100

In the PSTN you get both options - 

Allow the call to complete

Call automatically rejected with a specific ISUP cause value anonymous
call rejection (which now has a SIP equivalent).

Regards

Keith

> -----Original Message-----
> From: [email-masked] [mailto:[email-masked]] On 
> Behalf Of Dan Wing
> Sent: Saturday, March 01, 2008 12:36 AM
> To: 'David Schwartz'
> Cc: [email-masked]
> Subject: Re: [Sip] nit in draft-wing-sip-e164-rrc-01
> 
>  
> 
> > -----Original Message-----
> > From: [email-masked] [mailto:[email-masked]] On 
> Behalf Of 
> > David Schwartz
> > Sent: Tuesday, February 26, 2008 2:31 PM
> > To: [email-masked]
> > Cc: [email-masked]
> > 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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