How can I call ipad air? What is the call software for ipad air?

Step 1: We need to install a CALL software. For example, let's talk about using Skype to make a call.
 

Step 2: After we search for and download a Skype in the app store, we will register an account in Skype. After registration, we will have a free call time.
 

 

Step 3. After installing Skype, we can call.
 

 

Note: Because Skype is a network phone, we must use 3G, 4G, or Wi-Fi to access the Internet, and there will be a delay in online calls.