On March 1, 1999, a letter was received from Dr. Roger E. Stricker, Intellectual Property Vice President, Lucent Technologies pertaining to patent licensing by Lucent. The relevant text is: This is to affirm that Lucent Technologies Inc., in accordance with long- established practice, will offer patent licenses for submissions made by it which are adopted or recommended as a standard by your organization as follows: If part(s) of a submission by Lucent is(are) included in a standard and Lucent has patents and/or pending application(s) that are essential to implementation of such included part(s) in said standard, Lucent is prepared to grant - on the basis of receiprocity (grantback) - a license on such included part(s) on reasonable, non-discriminatory terms and conditions. Dr. Stricker can be reached at: Lucent Technologies, Inc. Intellectual Property Second Floor, Suite 2000 P.O. Box 1995 150 Allen Road Liberty Corner, NJ 07938-1995 Phone: 908-903-6271 Fax: 908-903-6317 rstricker@lucent.com Note: The letter is on file in the offices of the IETF Secretariat.