Telecommunications and Internet Protocol Harmonization Over Networks ( TIPHON ) Release

The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. DECT TM , PLUGTESTS TM and UMTS TM are Trade Marks of ETSI registered for the benefit of its Members. TIPHON TM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPP TM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document.