BubblyPhone Free International Calling Tools

VoIP Speed Test

Check if your internet connection is good enough for VoIP calls. This test measures latency, jitter, and bandwidth — the three factors that determine voice call quality.

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Frequently Asked Questions

What internet speed do I need for VoIP calls?

VoIP calls require very little bandwidth — about 100 kbps up and down. More important is low latency (<150ms) and low jitter (<30ms). Use our test to check your connection.

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