If you want to disable the notification sound in Mews without muting your device, you can simply mute the Mews website.
Note: These instructions are only for Google Chrome users. Other browsers may vary.
1. Right-click on any tab that Mews is open on.
2. Click Mute Site.
If have multiple tabs that are running Mews, this option will mute all of them.
To unmute, just right-click again and click Unmute Site.
Note: This is a browser setting, so if you have multiple browsers open at once (for example, Google Chrome and Internet Explorer), you will need to mute the site in all browsers.