Blackwire 310/310-M/320/320-M Firmware Release Notes
- Miscellaneous big fixes and improvements
- Improved acoustic echo cancelling for better audio performance when both device user and far-end caller are talking.
- Removed device generated ring tone when a softphone generated ring tone is present.
- Improved mute synchronization when device is used with an MDA-200 and Plantronics Spokes software.