external calls fail

  1. External forward - Temporarily Unavailable (480)

    Hi All, I have one instance with one SIP Trunk added and configured to forward calls to a call queue, I have configured office hours and the behaviour so that if the office is closed all calls are to be forwarded over to an external number, however no matter which number I try I receive the...
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    • call forwarding external call external calls fail
    • Replies: 2
    • Forum: UK

  2. 3CX v20 switched to 3CX hosting - no external calls

    Hello everyone, I'm going through an issue after I switched from self-hosted 3CX server to 3CX hosted server. Internal calls are working but impossible to receive calls or make one. I thought it was because of the SIP trunk registration : OK The SIP trunk provider is Vitelity - I tested with a...
  3. Stephen Hellriegel

    Upon reboot of 3CX PBX instance, must run firewall check to enable incoming call routing

    System Configuration: 3CX PBX system, installed as the "3CX linux distro" from 3CX. 3CX PRO version 15.5.6354.2 2 SBC, (raspberry PI3), each with about a dozen phones (yealink T21P E2 ,1 BLF per phone) The SBCs and the PBX are all on separate global IP networks (and ISPs). When I reboot the...
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