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  1. 3CX SMB/Free Incoming call issue

    they replied with this You might need to run a PCAP trace on the 3CX to see if the INVITE’s are hitting the system. It looks like your PBX is not responding to our invite at all, please can you whitelist the below Ip's and ranges and retest. 93.95.124.0 /24 Ports: 5060 – UDP/TCP 10000 - 60000...
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    • Post #3
    • Forum: SMB

  2. 3CX SMB/Free Incoming call issue

    Since yesterday morning one of our instances (3cx smb) has been able to call internal and outgoing fine but as soon as anyone calls them it will either ring once or four times, then report busy here (on the callers system). The routing goes direct to a digital receptionist which never engages...
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    • Replies: 2
    • Forum: SMB
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