Frequently criticized
A user could not get the VCM36 wireless microphone to pair with the A30, receiving a 'Mic not paired' error. They noted a lack of online documentation or support to resolve the issue.
Frequently criticized
A viewer noticed a noticeable lag between audio and video and asked whether this is inherent to the Yealink hardware. No resolution or explanation is confirmed in the comments.
Generally negative
A user asked where to physically plug in a mouse to control the A30 system, indicating the connection points for accessories aren't clearly obvious or documented.
Generally negative
One commenter questioned the design, asking why such a product isn't more compact, suggesting the unit's size may be a drawback for some setups.