Hi,
I think most people agree that if there is no Contact there is no early dialog
- and that means no mid-dialog requests (e.g. BYE). One question is whether it
should be mandatory to include Contact in 1xx (non-100) or not.
This is currently discussed in another thread on the SIP list ("[Sip] Contact
header in 1xx responses/updates remote target ornot?"), so you may want to
check that out.
Regards,
Christer
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Ivar
> Sent: 6. kesäkuuta 2007 9:11
> To: [email protected]
> Subject: [Sip-implementors] Early dialog BYE, no Contact header
>
> Hi,
>
> In RFC 3261
>
> Contact 1xx - - - o - -
> Contact 2xx - - - m o o
>
> For there i guess it's optional, but no the case:
>
> UA1 -> UA2
> UA2 sends ringing without Contact
> UA1 created early dialog, but wants to terminate it, it must
> send BYE ...... no contact header what should do ?
>
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