@techreport{rosenberg-impp-qauth-00, number = {draft-rosenberg-impp-qauth-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-rosenberg-impp-qauth/00/}, author = {Jonathan Rosenberg}, title = {{SIP Extensions for Presence Authorization }}, pagetotal = 11, year = 2000, month = jun, day = 16, abstract = {This document proposes a simple SIP extension that allows presence servers to query presence user agents for authorization for a subscription.}, }