Internet calling is sometimes called VoIP, which stands for Voice over Internet Protocol. This is when you make voice calls over the internet, using apps such as Skype, WhatsApp or Facetime. This is different to Wi-Fi calling, which connects to the internet via Wi-Fi, and needs Wi-Fi to operate.
VoIP will use your mobile data to connect your call via the internet, which means any usage will come out of our monthly data allowance.
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