Can you open stun.voip.blackberry.com:3478 from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2021first tested
1 mo agolast tested
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Frequently asked questions
Is stun.voip.blackberry.com:3478 blocked in mainland China right now?
As of the last test on 2026-06-20, stun.voip.blackberry.com:3478 is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://stun.voip.blackberry.com:3478 · JSON