Less interruptions - more productivity! A do not disturb presence status light is ideal for Modern open office workspaces and cubicles. A Built-in speaker delivers an audible call alert while flashing the light to avoid missing calls. Integrates with headset, desk phone or softphone and works as an on-the-phone indicator light. Supports many UC platforms like, Microsoft Teams, Skype4B, Lync, Cisco Jabber, RingCentral, Avaya, 3CX, Zoom & more.