rfc5876.txt:John Elwell:siemens-enterprise:UNKNOWN:11:apr:2010:UNKNOWN:kwd,seccons:draft-ietf-sipping-update-pai:2010-03-08:2009-01-27:382:0:1:23:406:0:2006-10-16:488:draft-elwell-sipping-update-pai:2008-02-14:348:2010-04-27:49