[Serusers] problem with SIP message greater than 1500 bytes

zaghouani hamdi zag_hamdi at yahoo.fr
Fri Jan 27 10:31:04 CET 2006


I used both. first UDP then I tried TCP . 

Andrey Kouprianov <andrey.kouprianov at gmail.com> a écrit :  Are you sending your message through UDP or TCP?

On 1/26/06, zaghouani hamdi  wrote:
>  hi,
>
> I m using ser-0.8.14.
> i m trying to send a SIP message from an SER server to another SER server.
> The length of this message is greater than 1500 Bytes(around 1600 Bytes) ,
> so it is fragmented before being sent.
> (in my case it's fragmented to 2 packets.)
>
> then I check the SIP flow using ethereal I found that :
> In the IP header of the first packet, the  "more fragment" flag is set to
> "0"  so  at the reception the second packet is ignored.
> And we get at the receiver  a  SIP message which is not completed.( we don t
> receive all the SIP message).
>
> is it SER who force that the sent message being less than 1500 bytes ?
>
> thinks a lot
>
> Hamdi
>
>
>
>
>
>
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>

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