@misc{rfc5027, series = {Request for Comments}, number = 5027, howpublished = {RFC 5027}, publisher = {RFC Editor}, doi = {10.17487/RFC5027}, url = {https://www.rfc-editor.org/info/rfc5027}, author = {Flemming Andreasen and Dan Wing}, title = {{Security Preconditions for Session Description Protocol (SDP) Media Streams}}, pagetotal = 16, year = 2007, month = oct, abstract = {This document defines a new security precondition for the Session Description Protocol (SDP) precondition framework described in RFCs 3312 and 4032. A security precondition can be used to delay session establishment or modification until media stream security for a secure media stream has been negotiated successfully. {[}STANDARDS-TRACK{]}}, }