service is not available

  1. Solved Hosted by 3CX - TLS not connecting with valid settings

    Hi, I have followed the guide here and have been working with Brightstar, and we've hit a brick wall with enabling TLS on the trunk. https://www.3cx.com/docs/brightstar-uk-sip-trunk/ I have double checked the settings so they match the guide but the trunk won't register and I'm currently...
    • jrenshaw
    • Thread
    • dns error resolving fqdn not connected service is not available tls trunk configuration
    • Replies: 6
    • Forum: Other

  2. 3cx Services not starting automatically upon system restart.

    Hi, After restarting the system all the services for the 3cx not starting, I am using Windows 10 64 bit. following type of error seen in the event log for all the services. The 3CX PhoneSystem 01 System Server service depends on the 3CX PhoneSystem 01 Configuration Server service which failed...

  3. 3CX mobile app not registering

    Dear team, I am having issues with 3CX mobile app connecting via office internet. when connecting app via office internet, it fails to connect (refer to screenshot) saying 'Registration failed, Service unavailable), but if I then switch my phone to 3G or use my home internet, the app start...

  4. 3CX: not reachable, DNS error resolving FQDN, or service is not available

    I've made a change to the network with access to WAN and adjusted services accordingly. However, with 3CX (Windows installation, and then replaced with a Debian installation) I'm having such a difficult time getting 3CX working again. I'm receiving the following log messages when registering...
    • Y Patrick
    • Thread
    • dns error resolving fqdn not reachable registration failed service is not available
    • Replies: 2
    • Forum: Phone System / PBX
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