[SIPForum-discussion] SIP Client-Server interaction!

[raj kumaradass]

Hi Andre,

Appears that the ACK msg is not parsed/understood correctly by SIP server.
To affirm, could you please share us the ethereal/WireShark trace.

thanks,
...Raj

On Fri, Oct 15, 2010 at 6:49 PM, andre heller <andre.heller1 at gmx.de> wrote:

> Hi,
> I have implemented a SIP Client and was testing with a SIP Server in my
> case I made Trixbox to actlike a Server.
>
> I am trying to furnish the details using Wireshark or I can say I am
> furnishing the how the communication took place between Client and Server.
>
> SIP CLIENT                     SIP SERVER
>
>        SIP Request:INVITE
>  ------------------------------------>
>
>
>        SIP Status: 100 Trying
>  <------------------------------------
>
>
>        SIP/SDP Status: 200 OK
>  <------------------------------------
>
>
>        SIP Request:ACK
>  ------------------------------------>
>
>
>
>        SIP/SDP Status: 200 OK
>  <------------------------------------
>
>
>        SIP/SDP Status: 200 OK
>  <------------------------------------
>
>
>        SIP/SDP Status: 200 OK
>  <------------------------------------
>
>
>        SIP/SDP Status: 200 OK
>  <------------------------------------
>
> here my question is even though the client have sent the ACK, still the
> Server is sending 200 OK until the timeout.
>
> What do you guys think, am I missing something here. By the way it is
> SIP/UDP.
>
> Regards,
> Andre
> --
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