PASSPorT Extension for P-Charge-Info Header
Ribbon Communications
This document extends the PASSporT (Personal Assertion Token) specification defined in [RFC8225] to allow the inclusion of cryptographically signed assertions of authorization for the values populated in the 'Session Initiation Protocol (SIP) P-Charge-Info' header, which is used for conveying information about the entity to be charged for a particular real time session.