VoIP data usage refers to the number of kilobytes and megabytes used in a mobile data plan, but most data usage calculators do not include VoIP data in data plan estimates. Additionally, several factors affect data usage speed, but a safe estimate is 0.75 MB per minute of call.
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Want to know exactly how much VoIP data you’re using? Here’s a way to estimate the bandwidth and minutes you need for your phone calls.
First, estimate the number of minutes of calling you will need per month, including both outgoing and incoming calls. One way to do this is to pick a month and look at your phone’s call history, counting the total number of minutes you were on the phone. For the best estimate, look at multiple months and average the totals. You can also plan a sample month and record the duration of calls you make and receive that month.
You will want to differentiate between the types of calls you are making. There are calls that need to go over GSM. You choose VoIP for international calls, calls to contacts who use the same VoIP service, and calls that are locally free through a specific VoIP service, such as Gmail Calling.
