Most users are unaware of how much data does VoIP use on their conversations consume, or the rate at which they use it.
The short answer is: “it depends”.
VoIP data consumption ranges between 0.5 megabytes (MB) per minute of call (on the G.
729 codec) and 1.3 MB/minute on G.
Does voice call use data?
Important: If you start a call from your device’s phone app instead of the Voice app, the call uses minutes from your mobile phone plan. Calls using data use approximately 0.2MB of data per minute.
How much data does an audio call use?
While a FaceTime audio call will not use any wireless plan calling minutes, it does consume data. The amount of data used by a FaceTime audio call varies, but it is significantly less that the amount of data used for a video call. Five minutes of FaceTime audio calling uses up to 3 MB of data.
Does WhatsApp voice call use a lot of data?
WhatsApp calling allow users to call other WhatsApp users for free. However, a minute of WhatsApp call costs around 0.15 MB to 0.20 MB of 3G data This means a 5-minute call costs around 1MB of 3G data. The call quality on 3G networks is decent but on 2G, there is a considerable amount of lag.
Which voice calling app uses the least data?
Let’s start with the app that uses the least data on voice and video calls without compromising quality. Zangi generally consumes 216KB of data for a 1-minute voice call. But by simply switching on the “low data usage” mode, users can save much more data, consuming only 134KB per minute.