Received March 21, 2001 From: Steve Davies Here's the official statement from Ridgeway Systems & Software with regards to intellectual property claims on methods for the traversal of non-protocol awarefirewalls and NATs for session-oriented protocols such as SIP and H.323, (currently draft-davies-fw-nat-traversal-00.txt), which you may put on the IETF IPR page as you deem appropriate: "Ridgeway Systems & Software has applied for one or more patents on technology related to the traversal of firewalls and NATs for session-oriented protocols such as SIP, H.323, H.246, MGCP and FTP. If any patents issued to Ridgeway are required to implement a standard for the traversal of firewalls and NATs, Ridgeway intends to disclose those patents and license them under openly specified, fair and non-discriminatory terms." ---------------------------------------------------------------------------- Please do not hestitate to contact me if you have any questions regarding this declaration. Kindest regards Steve Davies Chief Technical Officer Ridgeway Systems and Software Email: mailto:sdavies@ridgeway-sys.com Web: www.ridgeway-sys.com Tel B: +44 (0) 118 938 1114 Tel H: +44 (0) 1285 770979