https://imbox.me/en/communications
Secure communications for organizations | IMBox
Messaging, voice, video, files and location in an encrypted on-premise platform for defense, security, emergency services and public institutions.
secure communicationsfor organizationsimbox
https://api.intra-mart.jp/iap/javadoc/imbox_apidocs/jp/co/intra_mart/imbox/tenant/IMBoxInfo.html
IMBoxInfo (javadoc-imbox 8.0.0 API)
javadocimboxapi