Globally routable user agent uniform resource identifier system and method

摘要

A system and method for concealing an identity by receiving a Session Initiation Protocol (SIP) message, the SIP message containing a field, the field containing a Globally Routable User Agent Uniform Resource Identifier (GRUU) identifying a node, the GRUU containing a public user identity (PUID), a‘gr’parameter, and a‘gr’parameter value; evaluating a subscription option; and in response to evaluating the subscription option, concealing an identity of the node by removing the‘gr’parameter and the‘gr’parameter value from the field.