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  1. Outbound calls getting No Route Exists intermittently

    I was confused by that as well, I initially assumed I'd found the issue but 127.0.0.1 appears in the successful call (42582) as well so it seems unrelated. No DNS issues that I'm aware of. SIP Trunk is going via a Fusion PBX (old setup not of my design that I'm unable to change). I'm inclined...

  2. Outbound calls getting No Route Exists intermittently

    Outgoing rules are ok, calls to the same number work 2nd or 3rd time. It's not all calls either, just some. I believe the link to the trunk is stable and as far as I can determine below the simultaneous call limit. Currently waiting on the client to approve going ahead with an upgrade as next...

  3. Outbound calls getting No Route Exists intermittently

    Hi all, Got another odd one (for me at least). One of our clients is having intermittent issues on outbound calls. Sometimes when calling out they hear "beep beep beep" and the log shows No Route Exists but they try again and it works. The issue started yesterday (10/11/25). Here's two...
    • AndyCoo
    • Thread
    • Replies: 7
    • Forum: SMB

  4. Deleting free licence after replacement

    Thanks Kyriacos. Once deleted I was immediately able to continue on the www.3cx.com/install page.

  5. Deleting free licence after replacement

    Thanks, I've sent that through now.

  6. Deleting free licence after replacement

    I've run into an issue with creating an additional On Premise instance after upgrading another one from the free licence. When I try to get the config file from www.3cx.com/install it shows the below: The newly upgraded instance shows correctly in the portal system list But I've still got...
    • AndyCoo
    • Thread
    • Replies: 4
    • Forum: SMB

  7. Calls ignoring fax rule

    Hi guys, I've managed to fix the issue. As you just mentioned I was able to export the the trunk xml (three dots menu then Export) on both instances. Threw them into a text comparison and found the Generic Trunk template has: <field name="ParameterIn" custom=""...

  8. Calls ignoring fax rule

    Hi Yiannis, 300 is the extension for all calls going from Fusion to 3CX. It's the Authentication ID of the SIP Trunk in 3CX. Here's an example of a log from a working instance: 10/23/2025 8:53:08.133 AM[CM503012]: Inbound office hours rule (unnamed) for 10000 forwards to Fax:888 10/23/2025...

  9. Calls ignoring fax rule

    Thanks guys. I've really just copied the settings from the older already established 3CX instances that are working. As far as I can determine the SIP trunk is setting this "effective_caller_id_name=07YYYY1889" for any calls coming into the fax number. Yiannis, is the Options section of the...

  10. Calls ignoring fax rule

    I'm having some issues with a new 3CX install and getting a DID to forward to the fax server (888). We're using a generic SIP trunk (Fusion PBX) and it's working fine for older instances that were upgraded from V18 to V20. On the new server the call comes in and completely ignores the inbound...
    • AndyCoo
    • Thread
    • Replies: 7
    • Forum: SMB
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