deutsche telekom

  1. Registration at Deutsche Telekom (CompanyFlex) has failed.... is not reachable, DNS error resolving FQDN, or service is not available.

    Hello, I’m new to 3cx and I have installed my first 3cx telephone system. We are using Deutsche Telekom Company Flex as siptrunk. It’s not working very well until now and I’m not sure, what I’m making wrong. Before we have used a Bintec be.IP Router as Mediagateway with the sip trunk and an old...
    • jacks
    • Thread
    • deutsche telekom dns error sip trunk
    • Replies: 4
    • Forum: Other
  2. Gasha

    [Request/Suggestion] Adjust D-Telekom CompanyFlex Trunk Template

    Good morning, many of our customers are using a 3CX PBX hosted on our root server. Our servers are using a redundant internet connection system, therefore we cant register the above named trunk. Your whitepaper for this trunk says that it’s currently not working due to the TLS certificate...
    • Gasha
    • Thread
    • deutsche telekom suggestion template tls encryption trunk configuration v18
    • Replies: 3
    • Forum: Other

  3. Outgoing Issues with Deutsche Telekom (ngn) - How to best troubleshout

    Hello, we use SIP Trunk from Deutsche Telekom (ngn) and we configured it like mentioned in the 3cx manual. What do you suggest to make the System work very well? Customer claims two problems, mainly outgoing issues: a) many well known extern numbers are sometimes unreachable, he said "he...
  4. FirstZero

    Telekom + PSTN Gateway Patton 4120

    HY we are currendly testing 3CX and are using an Patton smart node 4120 for our BRI ISDN line from se Deutsche Telekom. We can get called but we cant make calls. What settings du i have to make to make it running? With greetings FirstZero
3CX Logo Footer Copyright © Sitemap Privacy
Top Bottom