HCL Sametime (formerly IBM Lotus Sametime, acquired by HCL Technologies from IBM in 2018) is an enterprise-level unified communications and VoIP platform. It includes features such as instant messaging, web conferencing, voice and video integration, telephony capabilities, and presence information.
HCL Sametime is ideal for cross-team chat in countries with strict data privacy and gravity laws, companies in regulated industries, and government entities who need to be able to ensure the security and auditability of their data.  ​