Re: [OpenSIPStack] TCP probems under W2KSP4

[<jo...@op...>]

Hi Othmar,

TCP support in opensipstack is alpha code.   It is not yet expected to work.

Joegen

oth...@in... wrote:
> Hello,
>
> we are currently using the opensipstack and the openSBC for our
> client/server development.
> Both tools work fine except for TCP,
> some SIP packets are bigger than 1300 bytes so TCP must be used according
> to the RFCs.
>
> Q: Is this a known problem?
>
> In detail:
> TCP sending (forwarding) is OK when the the packet was received via UDP
> from a NATed client,
> but receiving the response via TCP ends with 3 or more SIP packets (200
> OKs) merged in one.
> It looks like this is a receiving and sliding TCP window problem. (??)
> But in case the NATed client send an INVITE via TCP (about 1495 Bytes)
> this is just ignored,
> in wireshark I see that the packet was received in TCP/IP stack but it is
> never seen in the SIPstack and no tracep output is generated.
>
> I am currently analyzing these problems.
>  But if you know already whats the problem it will be very helpfull to
> inform me.
>
> (Test & Development Environment:
> OpenSipStack 1.1.7, OpenSBC 1.1.4
> MS-Windows2000SP4+,
> Microsoft Visual Studio 2005 (VC Express)
> Version 8.0.50727.762  (SP.050727-7600)
> Microsoft .NET Framework Version 2.0.50727)
>
> Thanks in advance and
> best regards
> Othmar Unger
>
>
>
>
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