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  1. Solved No Audio on Teams calls

    That worked, thanks!

  2. Solved No Audio on Teams calls

    I should note that if I switch Settings > Network > Public IP to interface 2 in the dropdown I am able to get 1-way audio (3CX->Teams) on internal calls, but I lose any ability to make external calls from either Teams or a physical phone.

  3. Solved No Audio on Teams calls

    Hi there, using 3CX 18.1 on Windows. Teams calls are functioning properly, but I have no audio on either side. All requisite ports are open in the documentation, and they test fine when checking port forwarding. My 3CX is configured with 2 interfaces: INT 1: SIP trunk interface Cable runs...

  4. Teams calls failing, "Code: InvalidRequest Message" in Integration menu.

    Firewall test comes back as expected Audio works when calling from a regular phone, or when using the 3CX mobile app (incl. from external) but not with Teams.

  5. Teams calls failing, "Code: InvalidRequest Message" in Integration menu.

    Update, nevermind, the error was fixed by ensuring the certificate on my main 3CX FQDN was working. Calls are now going through, BUT I don't receive any audio either incoming or outgoing. This is for both internal calls and external calls. Where do I start with this one?

  6. Teams calls failing, "Code: InvalidRequest Message" in Integration menu.

    Hi there, Having some issues getting Teams direct routing going. Issue: Teams calls fail immediately upon dialing. The following error is showing in the Microsoft 365 Integration menu within 3CX: I have verified the following: - Dial plan etc. is loaded - User has a phone system license -...
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