[SIPForum-discussion] Ack for final response

[haluk yavuz]

                                   |Request from TU
                                   |send request
               Timer E             V
               send request  +-----------+
                   +---------|           |-------------------+
                   |         |  Trying   |  Timer F          |
                   +-------->|           |  or Transport Err.|
                             +-----------+  inform TU        |
                200-699         |  |                         |
                resp. to TU     |  |1xx                      |
                +---------------+  |resp. to TU              |
                |                  |                         |
                |   Timer E        V       Timer F           |
                |   send req +-----------+ or Transport Err. |
                |  +---------|           | inform TU         |
                |  |         |Proceeding |------------------>|
                |  +-------->|           |-----+             |
                |            +-----------+     |1xx          |
                |              |      ^        |resp to TU   |
                | 200-699      |      +--------+             |
                | resp. to TU  |                             |
                |              |                             |
                |              V                             |
                |            +-----------+                   |
                |            |           |                   |
                |            | Completed |                   |
                |            |           |                   |
                |            +-----------+                   |
                |              ^   |                         |
                |              |   | Timer K                 |
                +--------------+   | -                       |
                                   |                         |
                                   V                         |
             NOTE:           +-----------+                   |
                             |           |                   |
         transitions         | Terminated|<------------------+
         labeled with        |           |
         the event           +-----------+
         over the action
         to take

                 Figure 6: non-INVITE client transaction

As you see there is no ACK in non-Invite transaction.

On Mon, Apr 28, 2008 at 1:06 PM, banu Priya K <banupriya at tataelxsi.co.in>
wrote:

>  No.. Only INVITE is a request that creates session,dialog, hence only it
> as to be Acknowledged.
>
> -----Original Message-----
> *From:* discussion-bounces at sipforum.org [mailto:
> discussion-bounces at sipforum.org]*On Behalf Of *Donald Lee
> *Sent:* Monday, April 28, 2008 1:54 PM
> *To:* avorlando at yahoo.com
> *Cc:* discussion at sipforum.org
> *Subject:* Re: [SIPForum-discussion] Ack for final response
>
> Hi all,
> if it's a INVITE transaction, the final response need a ACK. But if the
> other transactions, NO ACK for them.
>
> On Thu, Apr 24, 2008 at 6:35 PM, Anthony Orlando <avorlando at yahoo.com>
> wrote:
>
> >   Sorry but I assumed he was referring to an Invite transaction.
> >
> > --- On *Thu, 4/24/08, Anthony Orlando <avorlando at yahoo.com>* wrote:
> >
> > From: Anthony Orlando <avorlando at yahoo.com>
> > Subject: Re: [SIPForum-discussion] Ack for final response
> > To: discussion at sipforum.org, "mwilliam prusty" <
> > callwilliam90653 at rediffmail.com>
> > Date: Thursday, April 24, 2008, 3:46 AM
> >
> >
> >   Yes they do.
> >
> > --- On *Thu, 4/24/08, mwilliam prusty <callwilliam90653 at rediffmail.com>*wrote:
> >
> > From: mwilliam prusty <callwilliam90653 at rediffmail.com>
> > Subject: [SIPForum-discussion] Ack for final response
> > To: discussion at sipforum.org
> > Date: Thursday, April 24, 2008, 2:43 AM
> >
> >
> > Hi
> >   CAn any one tell
> > 1. whether FInal Responses are get Acknowleged ??
> >
> >
> >   [image: IPL]<http://adworks.rediff.com/cgi-bin/AdWorks/click.cgi/www.rediff.com/signature-home.htm/1050715198@Middle5/2092210_2084731/2092364/1?PARTNER=3&OAS_QUERY=null>
> >
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> --
> BR
> Donald
>
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