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  1. Solved No Outbound Calls V20 with Sipgate or Localphone

    Hi everyone. I was on V18 and using Localphone & Sipgate as trunk providers. It has worked perfectly for years and when I installed the new V20 on an Optiplex 3040 with 256GBSSD, 8GB RAM, Core i5 processor and 3CX ISO Debian distro. I imported the backup from V18 (9) and It now does not allow me...
    • MrDIY88
    • Thread
    • 403 forbidden localphone sipgate v20
    • Replies: 6
    • Forum: UK
  2. MikkelAnd

    Intermittent 403 Forbidden from SIP provider

    Hi, We are using an unsupported SIP provider with a number of fully updated v16 3CX installs and intermittently we are unable to complete any outbound calls. When this occurs we need to restart the SIP service on the afflicted 3CX server. We tried disable/enable the trunk, but that isn't...
    • MikkelAnd
    • Thread
    • 403 403 error 403 forbidden greenland sip telepost
    • Replies: 2
    • Forum: Other

  3. ID: 12294 Call or Registration has failed 403 forbidden

    So tonight our staff tried to do parent teacher interviews via phone as part of the whole social distancing thing going on with Corona/COVID-19 and we had some issues with staff getting an error message about calls being forbidden (they reported it happening with mobile numbers but that maybe...
    • BW~Merlin
    • Thread
    • 12294 403 403 errors 403 forbidden call forbidden forbidden forbidden by administrator id12294 id: 12294
    • Replies: 8
    • Forum: Phone System / PBX

  4. Polycom VVX 601 reboots after receiving NOTIFY from 3cx

    Hello, For the past two days my Polycom VVX 601 has been rebooting for no apparent reason. I have not been able to spot the pattern, but I noticed that this happens right after the Polycom receives a SIP NOTIFY from the 3cx, to which the Polycom responds with 403. The NOTIFY request has an event...

  5. 3cx responds with HTTP 403 to Polycom VVX400

    Hello, My setup includes: 3cx 15.5.6354 on Windows server and Polycom VVX 400 IP Phones My VVX 400 was initially provisioned correctly using extension number 222. I then deleted ext. 222 on 3cx server and created a new one: ext. 333. Also attached the new ext. 333 to the same Polycom Device...

  6. 3CX not calling outbound

    Hi everyone! Hoping someone may be able to help me. I've been running 3CX Version 10 for some years (5-7) without any issues, how ever recently it's been causing issues and crashing so I installed V15. I have a SIP Trunk with Engin in Australia and it is accepting incoming calls. All my...
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