%% You should probably cite rfc8898 instead of this I-D. @techreport{ietf-sipcore-sip-token-authnz-01, number = {draft-ietf-sipcore-sip-token-authnz-01}, 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-sipcore-sip-token-authnz/01/}, author = {Rifaat Shekh-Yusef and Christer Holmberg and Victor Pascual}, title = {{Third-Party Token-based Authentication and Authorization for Session Initiation Protocol (SIP)}}, pagetotal = 11, year = , month = , day = , abstract = {This document defines a mechanism for SIP, that is based on the OAuth 2.0 and OpenID Connect Core 1.0 specifications, to enable the delegation of the user authentication and SIP registration authorization to a dedicated third-party entity that is separate from the SIP network elements that provide the SIP service.}, }