How to take a call in Rocket.Chat voice channel?
Click the Accept button to accept the call. The ongoing call appears as shown below:

Ongoing call
Please note that messages are not available on a phone call room.
You have controls to mute/unmute calls.

Mute/Unmute
If you're using Rocket.Chat's enterprise edition you can hold and unhold acording to your workflow needs.

Hold/Unhold
Enterprise edition also offers you the flexibilty to switch device during an ongoing call.


Device settings
After the call ends you can leave your notes in the call wrap-up. It is an enterprise-only feature.

Call wrap-up