[Serusers] Is there something weird about this INVITE ?

[Atle Samuelsen]

Hi,

try to disable some codecs, and see if it suddenly starts working,
disable all wich you are not useing.. 

-A
* Jan Andres <jan.andres at freenet-ag.de> [070727 09:00]:
> On Thu, Jul 26, 2007 at 10:24:18PM -0400, SIP wrote:
> [...]
> > a=rtpmap:18 G729/8000/1.
> > a=rtpmap:98 telephone-event/8000/1.
> > a=rtpmap:13
> > 
> [...]
> > 
> > The ONLY thing I noticed about this that's completely non-standard, is 
> > that every other packet seems to have this period after it (indicating, 
> > perhaps, the end of a line... I don't know enough about the display of 
> > ngrep to tell). This INVITE does not. It goes almost immediately into 
> > the next packet, and it's almost as though this one never ends.
> 
> It looks like there's a part missing at the end (the last line isn't
> complete). In other words, the packet is probably fragmented.
> Unfortunately you can't tell this from ngrep's output.
> 
> If the packet is fragmented, and the second fragment is dropped on the
> way (due to broken firewalls or sth), then the kernel will not be able
> to reassemble the packet, and it won't even be processed by SER. Which
> would explain that no reaction is observed.
> 
> Note also that with ngrep you won't see the successive fragments if you
> use a filter expression like "port 5060", because the port numbers are
> only contained in the first fragment.
> 
> Regards,
> Jan
> 
> -- 
> Jan Andres <jan.andres at freenet.ag>



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