"GNU Gatekeeper"@en . . . . "3.9" . . "The GNU Gatekeeper (abbreviated as GnuGk) is an open-sourced project that implements an H.323 Gatekeeper based on the OpenH323 or H323Plus stack. A gatekeeper provides address translation, admissions control, call routing, authorization and accounting services to an H.323 system defined on the H.323 standard by ITU-T."@en . . "yes" .