You can make Conference from an existing call and add the required number of new participants.
1. Сlick Add to conference button on Active Calls window during the conversation. The current call will be replaced by Conference.
2. Create new call or use existing one for adding to the Conference. Make sure the party is ready to talk and click Add to Conference button.
3. The third participant has joined in the Conference:
Click End Call red button opposite the Conference participant name. The Conference with other participants will continue.
Click Delete from conference button opposite the Conference participant. The conversation is moved to a separate call on hold. Conference with other participants will continue.