Hi,
As per RFC 3261 SECTION 7.3.1 Header Field FormatMultiple header field
rows with the same field-name MAY be present in a message if and only if the
entire field-value for that header field is defined as a comma-separated list
(that is, if follows the grammar defined in Section 7.3). It
:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of SungWoo
> Lee
> Sent: Tuesday, November 09, 2010 10:57 AM
> Cc: sip-implementors@lists.cs.columbia.edu
> Subject: [Sip-implementors] Restriction on the number of a certain header in
> a message?
>
> Dear,
>
&g
-implementors] Restriction on the number of a certain header in a
message?
Dear,
Does 3261 specify the number of a certain header in a SIP message? We know that
multiple Via or Route headers are possible in a message. But what about From
header or To header? It obviously sounds weird, but can we put two
There are a number of headers that may only appear once, including From,
To, CSeq. IIRC this is addressed in the text relevant to each one.
Thanks,
Paul
On 11/9/2010 1:27 PM, SungWoo Lee wrote:
> Dear,
>
> Does 3261 specify the number of a certain header in a SIP message? We know
Dear,
Does 3261 specify the number of a certain header in a SIP message? We know that
multiple Via or Route headers are possible in a message. But what about From
header or To header? It obviously sounds weird, but can we put two identical
From headers(with same tag) in a single SIP invite requ
