You can use Skype world minutes to call friends or family with or without a Skype account on their mobile phone or landline. Dial from Skype and your friends and family can pick up on their phone.
Each active Office 365 subscription is entitled to 60 Skype world minutes per month. These can be used to make Skype calls to phones in over 60 countries and regions.
Your Skype world minutes are applied to a new or existing Skype account. Each month you receive 60 Skype world minutes. Your Skype world minutes allowance resets each month. Special, premium, and nongeographic numbers cannot be called using Skype world minutes. Calls to mobiles are for select countries only.