Network Working Group M. Garcia-Martin Request for Comments: 3455 Ericsson Category: Informational E. Henrikson Lucent D. Mills Vodafone January 2003 3GPP 对 SIP 的私有头(P-Header)扩展 Status of this Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2003). All Rights Reserved. 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. 目录 1. 应用范围 . . . . . . . . . . . . . .. . . . . . . . . . . . 3 2. 约定 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3. 概述 . . . . . . . . . . . . . . . . . . . . . . . . . . 3 4. SIP 私有头 . . . . . . . . . . . . . . . . . . . . . . . . . 3 4.1 P-Associated-URI 头. . . . . . . . . . . . . . . . . . . . 3 4.1.1 P-Associated-URI 头的适用声明. . . . . . . . . . . . 4 4.1.2 P-Associated-URI 头的用法 . . . . . . . . . . . . . 4 4.2 P-Called-Party-ID 头 . . . . . . . . . . . . . . . . . . 6 4.2.1 P-Called-Party-ID 头的适用声明 . . . . . . . . . . . 9 4.2.2 P-Called-Party-ID 头的用法. . . . . . . . . . . . . 10 4.3 P-Visited-Network-ID 头. . . . . . . . . . . . . . . . . . 11 4.3.1 P-Visited-Network-ID 头的适用声明. . . . . . . . . . 11 Garcia-Martin, et. al....
