• V20: 3CX Re-engineered. Get V20 for increased security, better call management, a new admin console and Windows softphone. Learn More.

Search results

  1. DNS error resolving FQDN, or service is not available

    All outbound traffic are allowed at the windows side, and 3CX firewall check shows success on all tests, however there is no firewall applied on inbound and i think for outgoing initiated traffic firewall will open the source ports. I have also set the server ip address in the twilio...

  2. DNS error resolving FQDN, or service is not available

    Hi Guys, I am facing the same issue on my 3CX server, registering at Twilio fails with the same error: Registration at twilio has failed. Destination (sip:[email protected]:5060) is not reachable, DNS error resolving FQDN, or service is not available. Server have direct ip address. DNS...
Get 3CX - Absolutely Free!

Link up your team and customers Phone System Live Chat Video Conferencing

Hosted or Self-managed. Up to 10 users free forever. No credit card. Try risk free.

3CX
A 3CX Account with that email already exists. You will be redirected to the Customer Portal to sign in or reset your password if you've forgotten it.
Verify your Email

Check your inbox!

We’ve sent you an email. Click on the button in the email body to verify your email address – (if you can not find it, check your spam folder).

Upon verification you will be directed to the 3CX setup wizard.

Top Bottom
Back