WAN IP blacklisted — blocking both SIP registration and SBC provisioning

[andriippp]

"Cannot obtain provisional data / PBX does not accept the SBC AUTHENTICATION KEY ID"
Also I got a notification on the phone confirming the IP address was in the blacklist.

 

[CXBridge Ops]

Please take a look at this thread: https://www.3cx.com/community/threads/cannot-set-up-new-sbc.133874/

Where is the SBC installed?