In this article we explain how to turn your iPod Touch into a telephone using VoIP (Voice over Internet Protocol) and which audio accessories are compatible.
How to Turn Your iPod Touch Into an iPhone 100% FREE!
The iPod Touch cannot connect to a cellular network via SIM card or otherwise, but it can connect to the Internet and has audio input and output. As long as you're within range of an Internet-connected Wi-Fi network, you can use your iPod to make calls to any number for little or no charge via VoIP.
Using VoIP Smartphone Apps: A handful of the many online communication apps are compatible with the iPod Touch. Here are a few to try:
Using SIP: SIP is a type of VoIP that is a great way to turn your iPod Touch into a phone. Create a free account with one of the many SIP providers, which will also give you a SIP address. This acts as a phone number. Then, download the provider's app and configure it as directed. A few good candidates include Bria, one of the best on the market; Zoiper; and MobileVoIP.