Did you know?
Only one participant needs a Skype Premium account for group video calls.
When making or receiving calls, or sending or receiving instant messages, Skype will use more data than when you simply sign in and leave the application idle. If your phone can make video calls, remember that they use more data than regular voice calls. To prevent Skype from using any of your data allowance, simply set your status to Offline.
Here are examples of some typical Skype data usage:
Having a large number of contacts on your Skype account also increases the data usage, as the application has to update more contact information, such as statuses, profiles and mood messages. If you would like to prevent this, you can create a new mobile account and only add your favorite contacts.