{"draft":"draft-garcia-sipping-3gpp-p-headers-02","doc_id":"RFC3455","title":" Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP) ","authors":["M. Garcia-Martin","E. Henrikson","D. Mills"],"format":["ASCII","HTML"],"page_count":"34","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"IETF - NON WORKING GROUP","abstract":" This document describes a set of private Session Initiation Protocol (SIP) headers (P-headers) used by the 3rd-Generation Partnership Project (3GPP), along with their applicability, which is limited to particular environments.  The P-headers are for a variety of purposes within the networks that the partners use, including charging and information about the networks a call traverses.  This memo provides information for the Internet community.  ","pub_date":"December 2002","keywords":[" "],"obsoletes":[],"obsoleted_by":["RFC7315"],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC3455","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc3455"}