Can you open sip.voip.blackberry.com from mainland China?
N/A.
This domain doesn't resolve anywhere we test — including our control outside mainland China — so it appears inactive or unregistered rather than blocked.
2013first tested
5 mo agolast tested
Loading…
Frequently asked questions
Is sip.voip.blackberry.com blocked in mainland China right now?
As of the last test on 2026-02-27, sip.voip.blackberry.com is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.
http://sip.voip.blackberry.com · JSON