See inline. David R Oran wrote: > In the absence of a reputation service and separate authentication of > the source domain I don't see any at all. What are your assumed > preconditions for this authentication to have value?
I agree that it requires a separate identity service. It's my understanding that the SIP-Identity mechanism [RFC4474] makes use of separate authentication services to verify identities. Dean Willis wrote: > There is a distinct difference between a caller who is unknown to me but > known to someone who is known to me and a caller who is truly anonymous. > In the first case, if the caller proves to be "a problem", I have some > recourse through channels. In the second, I do not. > > So let us take the typical public network scenario. If all caller's > identities are known to the operator, an anonymized identifier asserted > by that operator could be used to trace a nuisance call back to the > source. That's useful: It could drive "black listing" operations, "white > listing" operations, and support legal investigation into harassment > calls, etc. Thank you for clarifying the use cases of authenticated anonymous address. I would like to include such use cases in the next version of the draft if those will be accepted as useful. Regards, Mayumi _______________________________________________ Sip mailing list http://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
