How to make phone calls and send text messages on Ipod touch5, without jailbreaking or apple peel?

Ipod touch5 can use "imessage" to send short messages, and the operation of making phone calls is as follows:

Step 1: Log in to app store and download KC phone software.

Step 2: Click on the desktop to open the software.

Step 3: Register the personal information binding mobile phone number:

Step 4: After registering, you can use the software to make phone calls.