https://app.knowbase.one/vault/rfc/docid/1133
RFC3033: The Assignment of the Information Field and Protocol Identifier in the Q.2941 Generic Identifier and Q.2957 User-to-user Signaling for the Internet Protocol
Network Working Group M. Suzuki Request for Comments: 3033 NTT Category: Standards Track January 2001 The Assignment of the Information Field and Protocol Identifier in...