31402: UserMedia Acquisition Failed

ERROR: 31402

PROGRAMMABLE VOICE

ERROR

Description

The browser and end-user allowed permissions, however getting the media failed. Usually this is due to bad constraints, but can sometimes fail due to browser, OS or hardware issues.

Possible Causes

NotFoundError - The deviceID specified was not found.
The getUserMedia constraints were overconstrained and no devices matched.

Possible Solutions

Ensure the deviceID being specified exists.
Try acquiring media with fewer constraints.