@techreport{polk-reason-header-for-preemption-00, number = {draft-polk-reason-header-for-preemption-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-polk-reason-header-for-preemption/00/}, author = {James Polk}, title = {{Extending the Session Initiation Protocol Reason Header to account for Preemption Events}}, pagetotal = 13, year = 2003, month = oct, day = 8, abstract = {This document proposes an extension to the Session Initiation Protocol (SIP) Reason Header {[}1{]} to include in a BYE Method Request {[}2{]} as a result of a session preemption event either at a user agent (UA), or somewhere in the network using RSVP {[}3{]}. This document does not attempt to address routers failing in the packet path; but a deliberate event of tearing down a flow between UAs.}, }