Make a conference call in 3CX
Bring a third person into a call from the app or web client.

You can add people to a call you are already on.
Steps
- During a call, tap or click Conference (it may be under More).
- Dial the next person's extension or number.
- When they answer, tap Join or Merge to bring everyone together.
- Repeat to add more people.Hang up to leave the conference.
Tip: If you only see Add call, use that, then merge the calls.