WebRTC supports the built-in call controls on Plantronics/Poly headsets that use the Plantronics Hub software. To use the built-in call controls on a Plantronics headset, you must have a WebRTC phone assigned to you and your Plantronics headset must be using a USB connection. If you use a Bluetooth connection, you cannot use the built-in call controls on the Plantronics headset. 

After you install the Plantronics Hub software on your computer, you can set up the headset.

1. Access the settings through the client or the WebRTC Phone window.
   • Client access:
     1. Click Menu  > More .
     2. Click Settings.
     3. Click WebRTC.
   • WebRTC Phone window access:
     1. Click Settings.
2. In the settings, select the Plantronics headset for microphone.
   Note: Ensure that you select the specific device name from the list. The default device might have the same name, but it does not work.

You can now use the call controls built into your Plantronics/Poly headset. The call control feature enables you to use the controls on the headset to perform some of the basic call operations, such as:

• Answer call
• Hang up a call
• Put a call on hold
• Remove a call from hold
• Mute a call
• Unmute a call

WebRTC supports the built-in call controls on Sennheiser/EPOS headsets. To use the built-in call controls on a Sennheiser/EPOS headset, you must have a WebRTC phone assigned to you.

After you install the EPOS Connect software on your computer, you can set up the headset.

1. Access the settings through the client or the WebRTC Phone window.
   • Client access:
     1. Click Menu  > More .
     2. Click Settings.
     3. Click WebRTC.
   • WebRTC Phone window access:
     1. Click Settings.
2. In the settings, select the Sennheiser/EPOS headset for microphone.
   Note: Ensure that you select the specific device name from the list. The default device might have the same name, but it does not work.

You can now use the call controls built into your Sennheiser/EPOS headset. The call control feature enables you to use the controls on the headset to perform some of the basic call operations, such as:

• Answer call
• Hang up a call
• Put a call on hold
• Remove a call from hold
• Mute a call
• Unmute a call
• Reject a call

WebRTC supports the built-in call controls on Yealink headsets in the embedded clients. To use the built-in call controls on a Yealink headset, you must have a WebRTC phone assigned to you and you must connect your Yealink headset via a wired USB connection or a Yealink USB dongle-either Bluetooth or DECT.

1. Access the settings through the client or the WebRTC Phone window.
   • Client access:
     1. Click Menu  > More .
     2. Click Settings.
     3. Click WebRTC.
   • WebRTC Phone window access:
     1. Click Settings.
2. In the settings, select the Yealink headset for microphone.
   The Yealink headset takes advantage of the WebHID feature that is built into the Chrome browser (version 89.x or later).
   Note: Ensure that you select the specific device name from the list. The default device might have the same name, but it does not work.
3. When the Additional Permissions Required prompt appears, click Yes.
4. When Chrome displays the WebHID connection prompt, select your device and click Connect.

You can now use the call controls built into your Yealink headset. The call control feature enables you to use the controls on the headset to perform some of the basic call operations, such as:

• Answer call
• Hang up a call
• Put a call on hold
• Remove a call from hold
• Mute a call
• Unmute a call
• Reject a call 

WebRTC supports the built-in call controls on Cyber Acoustics headsets in the embedded clients. To use the built-in call controls on a Cyber Acoustics headset, you must have a WebRTC phone assigned to you and you must connect your Cyber Acoustics headset via a wired USB connection or a Cyber Acoustics USB dongle-either Bluetooth or DECT.

1. Access the settings through the client or the WebRTC Phone window.
   • Client access:
     1. Click Menu  > More .
     2. Click Settings.
     3. Click WebRTC.
   • WebRTC Phone window access:
     1. Click Settings.
2. In the settings, select the Cyber Acoustics headset for microphone.
   
   Note: Ensure that you select the specific device name from the list. The default device might have the same name, but it does not work.
3. When the Additional Permissions Required prompt appears, click Yes.
4. When Chrome displays the WebHID connection prompt, select your device and click Connect.

You can now use the call controls built into your Cyber Acoustics headset. The call control feature enables you to use the controls on the headset to perform some of the basic call operations, such as:

• Answer call
• Hang up a call
• Put a call on hold
• Remove a call from hold
• Mute a call
• Unmute a call
• Reject a call