This document has been replaced by draft-ietf-sipping-overlap-00.txt.
For more information or a copy of the document, contact the author directly.

Draft Author(s):

L. Ong: lyong@ciena.com                                                         
G. Camarillo: qtxgoca@etxb.ericsson.se                                                
A. Roach: adam.roach@ericsson.com