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On 03/29/2011 12:21 PM, Gabriel López wrote:
> El 29/03/11 12:07, Klaas Wierenga escribió:
>>
>> I think we should talk to the SIP crowd, it does sound appealing to
>> get in touch with such a large community that does have some
>> (federated) authentication challenges....
>
> Federated SIP would be interesting if you could allow roaming users to
> make use of their softphones to issue and receive calls when they roams
> to visiting institutions. Moreover, you could provide some kind of SSO
> token to avoid re-registering and re-autentications. SIP proxies could
> solve this issue directly by redirections but sometimes firewalls filter
> those calls. Maybe the VoIP operators in such organizations could
> clarify this scenario.
(not as chair in any of this thread btw) The "Negotiate-ng" draft had a
re-authentication token to be used for that purpose.
Cheers Leif
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