[Serusers] partially restrict access

Daniel Medina medina at columbia.edu
Fri Nov 14 21:21:16 CET 2003


 Oops.  This is probably because those messages are for the calling 
agent, which I'm running from the proxy server, which is therefore 
seeing them and complaining.

On Fri, Nov 14, 2003 at 03:17:06PM -0500, Daniel Medina wrote:
>  The message dumps seem to indicate that the Cisco gateway is sending, 
> as you say, messages to the proxy server with only one via header field 
> in it.
> 
>  The messages are
> 
> 	SIP/2.0 183 Session Progress Via: SIP/2.0/UDP 
> 	SIP/2.0 100 Trying Via: SIP/2.0/UDP
> 
> Should ser be seeing these as errors?  I thought they were part of the 
> RFC.
> 
> On Fri, Nov 14, 2003 at 03:23:51AM +0100, Jiri Kuthan wrote:
> > >  The logs say
> > >
> > >ERROR: forward_msg: no 2nd via found in reply 
> > > (repeated a few times)
> > >Outside line 
> > > (Indicating that the caller actually passed)
> > >route[2]:SIP-to-PSTN call routed
> > >ERROR: reply cannot be parsed
> > 
> > Well, unless I see message dumps I assume that it happens what your
> > log tell: someone sends a reply to proxy server with only one via
> > header field in it, or other defect. (Other situatation when this may
> > happen is when SER acts as a UAC, like if it generates local CANCELs,
> > and replies come back after the transaction state is already gone.)
> > 
> > 
> > -jiri  

-- 
Dan




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