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  1. Ongoing issues with PUSH notifications

    Good call - I did miss disabling the bind to IPv6 adapters in the network settings. This has now been disabled and the SIP service has been rebooted - I'll update if the issue continues. I did also previously confirm with the "ip -a" and "ip addr show" commands that there were no further...

  2. Ongoing issues with PUSH notifications

    Got you. Sadly, I don't think that this is the case in our instance - we have a split-horizon DNS in place, and our internal DNS server is configured to use Cloudflare's DNS as it's next hop, which hasn't had any resolution problems for any other outbound lookups that we're aware of. We've also...

  3. Ongoing issues with PUSH notifications

    Are you able to expand on this a bit? I'm confused as to how DNS configuration can intermittently impact the ability for my self-hosted server to establish an outbound connection to a 3CX hosted server, especially when DNS lookups and traces from the server to the destination servers appear to...

  4. Ongoing issues with PUSH notifications

    Our install is running in Debian - and yes, I did use the sysctl configuration to disable IPv6 system-wide, and rebooted the server. Sadly, the issue persists after disabling IPv6 - another screenshot of an error from today is attached for reference. Considering that going to the server...

  5. Ongoing issues with PUSH notifications

    Thank you for the quick response on this... the last time I reached out about this issue nobody mentioned potential IPv6 issues. I can confirm that there was an IPv6 address on the server, even though the rest of our network runs IPv4 only - I've since disabled IPv6 on the interface and...

  6. Ongoing issues with PUSH notifications

    I'm posting this in the iOS channel as it seems to be a more pronounced issue here, however it seems that I and many others are having Push Notification issues with the 3CX mobile application on iOS and Android devices. My personal investigation appears to lead to issues with the 3CX server...

  7. Failed to send APNS PUSH to device iPhone

    @IliasL_3CX We have a UniFi system in place, however I can confirm that this is only for inbound filtering - we are not doing any outbound firewall processing on the network. In our case, the issue is also very intermittent - for every 10 calls we get that requires signaling a mobile device via...

  8. Failed to send APNS PUSH to device iPhone

    We have also been having this issue for a while - it seems to occur intermittently, however in all cases where Push notifications don't go through, we have an associated "50020" error in our server's logs. Clicking into the log details seems to point to some sort of HTTP issue with the server...
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