> -----Original Message-----
> From: Peter Kjellerstedt [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, March 27, 2001 1:27 AM
> To: 'Jonathan Rosenberg'; 'Martin Préfontaine'
> Cc: '[EMAIL PROTECTED]'
> Subject: RE: [Sip-implementors] (no subject)
>
>
> > -----Original Message-----
> > From: Jonathan Rosenberg [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, March 27, 2001 08:10
> > To: 'Martin Préfontaine'; '[EMAIL PROTECTED]'
> > Subject: RE: [Sip-implementors] (no subject)
> >
> > > -----Original Message-----
> > > From: Martin Préfontaine [mailto:[EMAIL PROTECTED]]
> > > Sent: Monday, March 26, 2001 3:49 PM
> > > To: '[EMAIL PROTECTED]'
> > > Subject: [Sip-implementors] (no subject)
> > >
> > > Hi everybody,
> > >
> > > I'm developping a Proxy server using a 3rd party SIP stack.
> > >
> > > I have been testing it using a SIP SoftPhone.
> > >
> > > When sending requests the Softphone always add the User-Agent
> > > header with its product name inside.
> > >
> > > The problem arise when it is sending a response. Iit also
> > > include the User-Agent header. The Stack I am using doesn't
> > > like it and returns an invalid parameter error when parsing
> > > this response.
> > >
> > > I'd like to know if the softphone is violating the protocol
> > > by inserting the User-Agent header in a response or is the
> > > SIP Stack overreacting?
> >
> > The User-Agent header is defined in rfc2543 as a general
> > header, which means it can appear in a request or response.
>
> Actually, User-Agent was (erroneously) present in the grammatical
> rule for request-header in section 4.1 in RFC2543, and not in
> general-header. This may have lead to the above error if someone
> followed the grammar rather than the description of User-Agent
> when implementing the protocol.
This has already been corrected in bis.
-Jonathan R.
---
Jonathan D. Rosenberg 72 Eagle Rock Ave.
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
[EMAIL PROTECTED] FAX: (973) 952-5050
http://www.cs.columbia.edu/~jdrosen PHONE: (973) 952-5000
http://www.dynamicsoft.com
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