From: Hadriel Kaplan <[EMAIL PROTECTED]>

   > RFC 3261 section 18.1.1 currently provides a normative minimum:
   > "However, implementations MUST be able to handle messages up to the
   > maximum datagram packet size.  For UDP, this size is 65,535 bytes,
   > including IP and UDP headers."

   Yes.  That section of 3261 is about messages - it says nothing
   about bodies.  Some devices reject requests with bodies that exceed
   a length, where that length is less than the full 64k for the whole
   message.  For example, one of my companies' products will reject a
   SIP message with an overall body bigger than 32KB by default.  It's
   configurable, but I think we're compliant to reject such by
   default.

That seems a strange restriction to me -- though it accepts some
messages of 64k length, they must include 32kb of headers in order to
do so.  32kb of headers is even scarier than a 1Mb of body...

Dale
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