[SIPForum-techwg] Interoperability Draft v3 - a few more com m ents

[David R Oran]

On Jan 24, 2006, at 3:06 PM, Chris Sibley wrote:

> David, Paul,
>
> Comments inline below.
>
snipping out a bunch of stuff, since I'm not adding any technical  
content t the discussion here.

> Thanks,
>>> Another is for the SP to validate the user part of sip/user=phone
>>> asserted IDs from its customers, and only assert them to other
>>> customers if it considers them valid. This then changes the trust
>>> agreement between the SP and the PBXs it serves.
>>>
>> Yup. Which I would not disallow but what we are discussion is whether
>> that is something we should RECOMMEND.
>>
>
> I'm OK with not specifically recommending it. Does the fact that  
> you're
> OK with not specifically forbidding it mean that we've reached a level
> of consensus on this issue?
>
I suppose so. I don't see that one gains anything by trying to  
disallow this, as people will do it anyway. What I objected to was  
recommending screening of enterprise userids as the way you ensure  
against CLID-spoofing.

Dave.