%% You should probably cite rfc6795 instead of this I-D. @techreport{ietf-sipping-policy-package-08, number = {draft-ietf-sipping-policy-package-08}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-sipping-policy-package/08/}, author = {Gonzalo Camarillo and Volker Hilt}, title = {{A Session Initiation Protocol (SIP) Event Package for Session-Specific Policies}}, pagetotal = 18, year = 2010, month = mar, day = 23, abstract = {This specification defines a Session Initiation Protocol (SIP) event package for session-specific policies. This event package enables user agents (UAs) to subscribe to session policies for a SIP session and to receive notifications if these policies change. {[}STANDARDS-TRACK{]}}, }