Scroll down to see how to do this in Symphony 1.5
In Symphony 2.0:
Use Symphony Meetings for audio, video, and screen sharing with up to 50 participants. To start a meeting, click on the phone icon in the top right of your chat (figure 1).
Figure 1 Start a meeting
This will start your meeting and invite the people in the chat room to join your call. Ongoing meetings will automatically be placed in your Ongoing Meetings folder at the top of your chat list. This folder will go away when you have no active meetings (figure 2).
Figure 2 Ongoing meetings are added to the Ongoing Meetings folder
In Symphony 1.5:
Use Symphony meetings for audio, video and screen sharing with up to 25 participants. To start a meeting, click on the phone icon in the top right of your chat (figure 1).
Figure 1 Start a meeting with the phone icon
This will start your meeting and invite the people in the chat room to join your call.