This issue will occur if the BuildOps app does not have access to the microphone. To resolve it, please ask your technicians to allow microphone access for the BuildOps app on their devices.
Below are the steps for both Android and iOS:
iOS (iPhone/iPad)
Open Settings
Scroll down and tap BuildOps
Enable Microphone
Make sure the toggle is switched ON
Alternative path:
Go to Settings
Tap Privacy & Security
Tap Microphone
Find BuildOps in the list and toggle the switch ON
Android
Open Settings
Tap Apps (or Apps & notifications)
Find and tap BuildOps
Tap Permissions
Select Microphone
Choose Allow
Once microphone permissions are enabled, the issue should no longer occur.