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  1. Fraudulent calls and unauthorized login attempts

    I've noticed lately a number of outside IP addresses trying to log into our 3cx system and make outgoing calls. This worked for a while and they were able to make a few international calls. I've since changed our passwords, blacklisted offending IP ranges, and disabled international calls to...
  2. Outbound calls on VOIP line - can't hear other party

    Thanks mixig, I think it has to do with STUN too. I changed the "Which IP to use in contact field for registration" to our static IP instead of External (STUN resolved). So far it appears to be working but we've had periods like this before where everything worked fine without having made any...
  3. Outbound calls on VOIP line - can't hear other party

    The remoteAddr it shows is sip.broadvoice.com, the extAddr it shows is our static IP. They said the invite came from the remoteAddr and the media from extAddr. Is there a way to change it so that the invite shows up from our static IP as opposed to the sip.broadvoice.com. Would I even want to?
  4. Outbound calls on VOIP line - can't hear other party

    Thanks for the replies. We are running version 9. PBX Delivers Audio was not checked but checking it did not resolve. Supports re-invite is also checked. The firewall checker (below) shows a few warnings. We have one external IP address, the PBX host should have just the one route to...
  5. Outbound calls on VOIP line - can't hear other party

    We are using Linksys SPA 962 phones with a Broadvoice VOIP line. Lately, when we make outbound calls we cannot hear the party on the other line. They can hear us, we just cannot hear them. Incoming calls work fine. The activity log is below: 12:04:30.753 [MS105000] C:12.2: No RTP packets...
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