Calls & Meetings Start voice/video calls and share your screen. Start a Call Start a call In any room or DM, click the phone/camera icon in the header. Choose voice‑only or video; invite others by sharing the call link if needed. In‑call basics Mute/unmute, toggle camera, and share your screen. Use chat to drop links or notes while presenting. Tips Wear headphones to reduce echo; mute when not speaking. For large meetings, prefer a dedicated meeting room/channel and post notes afterward. Screen Sharing Share your screen Join or start a call → click Share Screen. Select a window or entire screen; on macOS, approve screen‑recording permissions if prompted. Best practices Close sensitive windows before sharing. Use Do Not Disturb to prevent pop‑ups during demos.