--- title: Mute participants in a conference call description: As an MSI manager or a conference call host, you have the option to mute a particular participant or all the participants on the conference call. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/security-management/security-incident-response/mute-unmute-participants.html release: australia product: Security Incident Response classification: security-incident-response topic_type: task last_updated: "2026-03-12" reading_time_minutes: 2 breadcrumb: [Major Security Incident Management Conference Call Integration, Integrate, Major Security Incident Management, Security Incident Response, Enterprise security case management applications, Security Operations] --- # Mute participants in a conference call As an MSI manager or a conference call host, you have the option to mute a particular participant or all the participants on the conference call. ## Before you begin Role required: sn\_msi.workspace\_manager Before starting this procedure, verify that there’s an active conference call with one or more participants. ## Procedure 1. Navigate to **Workspaces** > **Major Security Incident Management**. 2. From the Major Security Incident list, select the major security incident that you're trying to resolve on the conference call. 3. Select the \[Omitted image "msim-conf-call-icon.png"\] Alt text: Conference call icon on the right-context menu to view the details of the conference calls. 4. Select **Join call** on the active conference bridge. 5. After joining the conference call, select a participant that you want to mute and select **Mute** on the conference bridge. 6. To mute all participants on the conference call, select **Participants** in the meeting controls and select **Mute All**. **Parent Topic:**[Major Security Incident Management Conference Call Integration](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/security-management/security-incident-response/integrate-msim-conference-calls.md) **Related topics** [Start a conference call]() [Add participants to a conference call]() [View conference call details]() [Integrate MSIM Conference Calls with Microsoft Teams]() [Integrate MSIM Conference Calls with Zoom]() [Integrate MSIM Conference Calls with Cisco Webex]()