This Article will show you how you can locate your own Direct Number (DDI) from your Skype For Business Client.
1. If you are using Skype For Business 2016 you can locate the number by going on to the dial Pad the number will show below the keypad as shown on the image below:
2. For any other versions of Skype For Business you will need to browse to the settings option you will find this on the top right of your Skype client.
3. Select 'Phones' from the options Menu, Once selected you will see your number next to work phone tab as shown on below image: