Voice engine stops working when the app is in Sleep mode. Would appreciate any help from your end which could enable us to fix this.
Issue with CarPlay when device is in sleep mode
Check that audio is in the UIBackgroundModes array of your app's Info.plist. More information on this Info.plist key is available at: https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/iPhoneOSKeys.html