[SIPForum-discussion] Dialog Without a Session

[Raj Jain]

On Fri, Jun 20, 2008 at 1:03 AM,  <abhishek.chattopadhyay at wipro.com> wrote:
> Hello all,
>
> I would like to know if there is any possibility of having a valid DIALOG
> without any Session Getting established.

You can establish a dialog through non-SIP means (out of band). This
practice is sometimes used to establish out of band subscription
dialogs to support unsolicited NOTIFYs.

--
Raj Jain