https://app.knowbase.one/vault/rfc/docid/7209
RFC6623: IANA Registry for MEDIACTRL Interactive Voice Response Control Package
Internet Engineering Task Force (IETF) E. Burger Request for Comments: 6623 Georgetown University Updates: 6231 May 2012 Category: Standards Track ISSN: 2070-1721 IANA Registry for MEDIACTRL In...