[Users] ACK and re-INVITE ordering

[Jerome Martin]

Hi Klaus,

> > see above; the dialog module puts a dialog id in as RR param just for a 
> > fast dialog matching - the information about the dialog parameters, its 
> > state and so on are kept in memory by the dialog module.
> 
> Further, this is the only valid method, as the Record Route parameters 
> can't be changed during the dialog.

I didn't realize that. Thanks for the explanation, I'll look it up in
RFCs. Intuitively, I though this was true for the actual route hops, but
not for added parameters.

Regards,
Jerome