Received July 26, 2002
From: "McCann, Stephen" <stephen.mccann@roke.co.uk>


This email is to inform you that Siemens believes it may have
at least one IPR associated with RFC 3321 "SigComp Extended"
(previously : draft-ietf-rohc-sigcomp-extended-04.txt).

"Siemens may have patent rights on technology described in a document
which employees of Siemens contribute for use in IETF standards
discussions. In relation to any IETF standard incorporating any such
technology, Siemens hereby agrees to license on fair, reasonable and
non-discriminatory terms,  based on reciprocity, any patent claims
it owns covering such technology, to the extent such technology is
essential to comply with such standard."

Kind regards

Stephen McCann
Siemens Roke Manor
Romsey
UK

tel : +44 1794 833341
fax : +44 1794 833434