It is legal. It is also part of the SIP parser torture test at:
http://www.cs.columbia.edu/~hgs/sip/sipit/test1.txt
----- Original Message -----
From: "Christer Holmberg" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, August 08, 2001 10:07 AM
Subject: Re: [Sip-implementors] VIA Header
>
> Hi,
>
> It was a while since I read the ABNF spec in detail, but I would say
> 'yes'. I can't think of any reason why it should not be allowed. Please
> correct me if I'm wrong :)
>
> Regards,
>
> Christer Holmberg
> Ericsson Finland
>
>
>
> [EMAIL PROTECTED] wrote:
> >
> > I have a related question. Is it allowed to have multiple Via headers,
with
> > one or more of them containing multiple comma separated addresses?
> >
> >
> > -----Original Message-----
> > From: Wai Wu [mailto:[EMAIL PROTECTED]]
> > Sent: Wednesday, August 08, 2001 7:30 AM
> > To: [EMAIL PROTECTED]
> > Subject: RE: [Sip] VIA Header
> >
> > Hi Christer,
> > The Cisco Sip implementation (at least for their IP phones, the
ones
> > I am working on are CISCO IP PHONE 7960/7940s) puts values from all the
VIA
> > headers in a single header, separated with a comma.
> >
> > Wai Wu
> >
> > -----Original Message-----
> > From: Christer Holmberg [ mailto:[EMAIL PROTECTED]
> > <mailto:[EMAIL PROTECTED]> ]
> > Sent: Wednesday, August 08, 2001 5:57 AM
> > To: Mukesh R Shah
> > Cc: [EMAIL PROTECTED]
> > Subject: Re: [Sip] VIA Header
> >
> > Hi Mukesh,
> >
> > I am not really sure I understand your question, but I'll give it a try.
> >
> > In SIP you can have multiple VIA headers. The ABNF, however, also allow
> > you to put all the values of those headers in a single header, separated
> > with a comma. I don't think I've ever seen it in real-world use, but it
> > is allowed.
> >
> > Regards,
> >
> > Christer Holmberg
> > Ericsson Finland
> >
> > Mukesh R Shah wrote:
> > >
> > > Hi All,
> > >
> > > Its a basic doubt .
> > > Why r we having multiple values in VIA header ?
> > > What is the significance of having it?
> > > Also give situation when the proxy will add multiple value to VIA
header?
> > >
> > > Thanks in Advance,
> > > Mukesh
> > >
> >
------------------------------------------------------------------------
> >
> > > Name: InterScan_Disclaimer.txt
> > > InterScan_Disclaimer.txt Type: Plain Text (text/plain)
> > > Encoding: 7bit
> >
> > _______________________________________________
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