Download the desired soft-phone, it can be X-Lite, Zoiper, LinPhone etc,
You can also use: https://www.deskforce.com/support/ in order to download our soft-phone.
On most of the soft-phones the definitions are different but the basic is the same.
Mainly you need the following information to configure your Soft-Phone: (Provided by Deskforce or your direct manager)
1. Username and/or Extension number
3. Server URL.
If you face any issue please feel free to contact Deskforce Support.