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RFC 3261, "SIP: Session Initiation Protocol", June 2002

Source of RFC: sip (rai)

Errata ID: 3183
Status: Verified
Type: Technical
Publication Format(s) : TEXT

Reported By: Bruno CHATRAS
Date Reported: 2012-04-10
Verifier Name: Robert Sparks

Section 23.4.3 says:

         --boundary42
         Content-Type: application/pkcs7-mime; smime-type=enveloped-data;
              name=smime.p7m
         Content-Transfer-Encoding: base64
         Content-Disposition: attachment; filename=smime.p7m
            handling=required
         Content-Length: 231


It should say:

   --boundary42
         Content-Type: application/pkcs7-mime; smime-type=enveloped-data;
              name=smime.p7m
         Content-Transfer-Encoding: base64
         Content-Disposition: attachment; filename=smime.p7m
            handling=required


Notes:

A Content-Length header is shown for a body-part within a multipart body. But Content-Length is an HTTP/SIP header, not a IANA-registered MIME header and should therefore not appear at that location in valid examples. The length of a body part within a multipart body is determined by MIME framing. A Content-Length header found for a body-part within a multipart body is meaningless and should be ignored.

This was discussed on both the SIP Implementors and SIP Core mailing lists.

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