Re: draft-ietf-sip-199-06

Hi, 

>>You can have network entities which act as "normal" UAS, which also 
>>want to send 199. They may e.g. have been configured to do so, since 
>>the forking proxy does not support 199. Etc.
>>And, the text already says that a UAS should not send a 199, unless it
has been configured to do so. But, I don't think 
>>we should forbid it from doing so.
>   
>
>No, but you need to motivate why they might do so. Explain that they're
sending it because they think there's an upstream 
>forking proxy that won't. Explain that they might be a B2BUA that has
created more than one early dialog with the caller, 
>and wants to clean some of them up. It makes little sense to say that
UAs can do this without some kind of explanation 
>about why they would do so.

The text does talk about the case when the UAS knows, based on
configuration, that the proxy does not support 199, but I agree that
some text about UAS/B2BUAs creating more than one dialog can be added.

Regards,

Christer
_______________________________________________
Sip mailing list  https://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