Title: Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP)
Author(s): M. Garcia-Martin, E. Henrikson, D. Mills.
Status: INFORMATIONAL
Date: Jan 2003
Length: 79620
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.
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