5.3. Initiating screen sharing 
During an active call or during a conference call, you have the option to share your screen. In conference calls, you can also share the system's audio for an improved sharing experience.
Prerequisites
Your administrator has enabled the screen sharing functionality on your system.Step by Step
- To start a screen Sharing session, click
Start Screen share button.You will be prompted to select which screen to share in order to start the session. Once selected, the other party will see your screen. - If you want to share your system's audio along with your screen in a conference call, enable the Share audio option when prompted to select which screen to share. This option is only displayed when you select to share the Entire Screen or the browser's tab.
You can use the 
Take picture option to capture a picture of what is being
shared and see a list of additional options. For more information, see Section 13.1.
Take picture option to capture a picture of what is being
shared and see a list of additional options. For more information, see Section 13.1. The other call party will see your screen in the designated Call Control section.
You can also
access the Mouse Pointer, Comment Pointer and Remote Desktop Control
functionalities, as described in the Conferences
section.
‣ Parent topic: Section 5. Conferences