@misc{rfc9027, series = {Request for Comments}, number = 9027, howpublished = {RFC 9027}, publisher = {RFC Editor}, doi = {10.17487/RFC9027}, url = {https://www.rfc-editor.org/info/rfc9027}, author = {Martin Dolly and Chris Wendt}, title = {{Assertion Values for Resource Priority Header and SIP Priority Header Claims in Support of Emergency Services Networks}}, pagetotal = 7, year = 2021, month = jun, abstract = {This document adds new assertion values for a Resource Priority Header ("rph") claim and a new SIP Priority Header ("sph") claim for protection of the "psap-callback" value as part of the "rph" Personal Assertion Token (PASSporT) extension in support of the security of emergency services networks for emergency call origination and callback.}, }