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Re: [Sip] RFC 4474 and PSTN
There are actually two things that could be reasonable:
* Use SRTP but without DTLS-SRTP (just use SDES in this case)
* Use SRTP with DTLS-SRTP but without protecting the fingerprint. Hence,
SIP Identity would not be used.
Ciao
Hannes
Hannes Tschofenig wrote:
>> -Allow SRTP, but don't protect the certificate fingerprint
>>
>>
> That's what I would do.
>
>
> Ciao
> Hannes
>
>
>> Kai
>>
>>
>>
>>
>>> -----Original Message-----
>>> From: sip-bounces at ietf.org [mailto:sip-bounces at ietf.org] On
>>> Behalf Of Hannes Tschofenig
>>> Sent: Freitag, 4. April 2008 10:51
>>> To: Elwell, John
>>> Cc: sip at ietf.org
>>> Subject: Re: [Sip] RFC 4474 and PSTN
>>>
>>> I would instead not put the SIP Identity header there.
>>> No additional work needed.
>>>
>>> Ciao
>>> Hannes
>>>
>>> Elwell, John wrote:
>>>
>>>
>>>> There seems to be some interest in adding some indicator to
>>>>
>>>>
>>> the URI or
>>>
>>>
>>>> to the header field to warn of the limited guarantee of
>>>>
>>>>
>>> authenticity or
>>>
>>>
>>>> the opposite (i.e.,lack of such an indicator would mean the
>>>>
>>>>
>>> guarantee is
>>>
>>>
>>>> low, i.e., the identity has not been verified).
>>>>
>>>> I think on this issue it is just a matter of somebody putting things
>>>> together into a draft. I think Dean and/or Adam were the
>>>>
>>>>
>>> main initiators
>>>
>>>
>>>> of this proposal - something like a source=pstn parameter. Would
>>>> somebody care to author a draft? Or do we need further discussion?
>>>>
>>>> John
>>>> _______________________________________________
>>>> Sip mailing list https://www.ietf.org/mailman/listinfo/sip
>>>> This list is for NEW development of the core SIP Protocol
>>>> Use sip-implementors at cs.columbia.edu for questions on current sip
>>>> Use sipping at ietf.org for new developments on the application of sip
>>>>
>>>>
>>>>
>>> _______________________________________________
>>> Sip mailing list https://www.ietf.org/mailman/listinfo/sip
>>> This list is for NEW development of the core SIP Protocol
>>> Use sip-implementors at cs.columbia.edu for questions on current sip
>>> Use sipping at ietf.org for new developments on the application of sip
>>>
>>>
>>>
>
> _______________________________________________
> Sip mailing list https://www.ietf.org/mailman/listinfo/sip
> This list is for NEW development of the core SIP Protocol
> Use sip-implementors at cs.columbia.edu for questions on current sip
> Use sipping at ietf.org for new developments on the application of sip
>
_______________________________________________
Sip mailing list https://www.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use sip-implementors at cs.columbia.edu for questions on current sip
Use sipping at ietf.org for new developments on the application of sip