You can add a user to any active call by clicking on the button in the upper-right corner of the call window. Remember that phone numbers should be in the 10-digit format and not include a 9 or a 1 as a prefix. To transfer the call, click on the вЂTransferвЂ™ button, and search for a contact or enter a telephone number. You will then be presented with options to transfer the call or place it hold. Click on any of the devices to switch to that device.ДЇrom the active call window, click on the phone button (circled in the screenshot below). A secondary window will appear, showing the devices available. To select a device, click on the вЂDevicesвЂ™ button in the call window (circled in the screenshot below). To end the call, click on the red button in the call window (see screen shot above for an example call window).ДЇrom the call window, you can select any device available to your computer, including the computerвЂ™s speakers, a headset connected to the computer, or your desk phone. When the call has started, a new window will appear. Otherwise, dial the 10-digit phone number youвЂ™d like to call and click on the вЂCallвЂ™ button. To redial a recent contact, simply double-click on the call. A list of recent calls will appear as well as a phone dialer. To place a call, click on the вЂCallsвЂ™ icon in your Skype for Business window. When dialing from Skype for Business, do not enter a 9 or a 1 as a prefix. The call can be answered by picking up the handset of your desk phone, or by clicking on the blue phone button.

When you receive an incoming call, Skype for Business should prompt with you to either answer or ignore the call.

Skype for mac os x 10.5.8