Search results

  1. CenturyLink SIP trunk not working after V20 upgrade.

    AT&T has confirmed they are receiving the cancel notice from the cell phone itself. Why does uninstall the 3cx app address the issue and allow them to call the main line again? This is doesn't seem to affect Apple, but we have duplicated the issue with 3cx on another android phone using the...

  2. CenturyLink SIP trunk not working after V20 upgrade.

    CenturyLink has fixed the cancel. We found the issue to be 3cx app on the phone. If you remove the 3cx app from the cell phone they are able to call the office again. We reinstalled the app and the issue happens again. This is on Android. Apple phone are not having this issue.

  3. CenturyLink SIP trunk not working after V20 upgrade.

    Case with CenturyLink Confirmed the issue. They are stating its a problem between AT&T and CenturyLink. After looking into the call examples in more details they all are AT&T phone numbers.

  4. CenturyLink SIP trunk not working after V20 upgrade.

    Currently doesn't matter where its routed to, but I have examples of call flow apps, extensions, ivr. I also found out the issue only happens if you have a enterprise sip trunk. If you use a regular sip trunk on the CenturyLink service the issue goes away.

  5. CenturyLink SIP trunk not working after V20 upgrade.

    Yep they are going to correct destination. I do not get the OK on the 1st invite, but I do when the provider sends the 2nd invite. If I use a generic template the issue goes away which I guess would be an unsupported setup then ? Plus I would need to find a way to move my 700 numbers over to the...

  6. CenturyLink SIP trunk not working after V20 upgrade.

    After looking over my other providers, I do believe the issues is being caused by not sending the OK message back to the provider.

  7. CenturyLink SIP trunk not working after V20 upgrade.

    Has anyone had any issues with the CenturyLink SIP service after V20 upgrade? I have rebuilt it using the supported template and are having the same issue. Calls comes in rings for 2 seconds then terminates with call CANCEL coming from the provider. I compared to our V18 packet capture and...

  8. V20 SIP Trunk not able to change number and host part of the PAI

    I just upgraded too and I also need to make this change.

  9. V20 - Change FQDN

    Yeah, I just ran into this issue too. Trying to upgrade from V18 to V20 and it broke a lot of programing. We setup a lab system reprogramed it now we can't remove LIC or FQDN from the backup of the lab system.
3CX Logo Footer Copyright © Sitemap Privacy
Top Bottom