fax server

  1. Fax & Fax Server in 4SC v20

    I've been using 3CX for years now. I noticed that a number of features are no longer available in the Basic 4SC version. However, the fax server is still a communication feature that is used several times a year. In my version, I noticed that on top of fax and the fax server config page, the...
    • PAVNL
    • Thread
    • 4sc configuration fax fax server licence
    • Replies: 0
    • Forum: 4SC

  2. Solved Enabling Incoming Fax with V20

    I am having a hell of a time with this. It was simple in V18. Just upgraded to version 20. My client has one incoming fax number that with V18 went straight to the specified email with absolutely no problem. I have read other forum entries and their solutions are either too cryptic to...

  3. V20 fax server on extension 888 not answering

    Running Version 20.0 Update 1 (Build 673 Beta) I have set up multiple sip trunks, with Amazon AWS Chime and Twilio, here in the US. I have tried assigning DID's to the Fax Server (Advanced \ Fax \ Fax Server) with the option set to send to email. The incoming call gets routed to extension 888...
  4. ronenba

    Hosted PBX - setup Fax server

    I add a sip trunk to PBX ( with voip.ms) and went to setup the Fax server, under Direct Inbound Dialing (DID) tried Adding a DID getting error: No DID/DDIs to assign could not find resources how to set it up

  5. Fax server Default details missing

    Hi Everyone, First time i've needed to ask for support for 3CX, this one has me scratching my head. another IT company was onsite when i was on Christmas leave to fix a fax server issue with 3CX, they removed the default details from fax server without copying them down first and added another...

  6. Solved After loading updates, 888 Fax Server disconnects

    All, I had a client purchase some new phones for their 3CX system. In an effort to get the phone templates to recognize the new phones several rounds of system updates and phone templates were applied. In doing so, we broke the Fax Server. When you dial the fax server DID, for a split second...

  7. Disable 3cx Fax server

    Hello, I was wondering if there is a way in 3cx to disable the fax server, and ignore any incoming faxes. For example in Elastix, there used to be a setting on a SIP Trunk / Inbound Route level with the name "Detect Faxes". If this was disabled, the PBX would not negotiate for fax. Can we...

  8. 3cx Built in Fax Server: ridiculous performance

    A system which costs 250Euros/Year (not a one time payment, every year for the 4channel pro version) and is advertised having a built in Fax server compatible with G711a, that really should work. I invested a substancial amount of time trying to fix but whatever I do, faxes might arrive, but the...

  9. Fax-Server settings G.711 fallback checkbox state not correct

    If the parameter FAX_PCMU_T38_FALLBACK_TIMEOUT is changed to a value other than 10, the checkbox under Fax-Server settings is not checked. The checkbox should be checked if FAX_PCMU_T38_FALLBACK_TIMEOUT > 0. Much better, the value for the timeout should be displayed beside the checkbox.

  10. Fax server is configured but extension 888 answers with silence and hangs up

    I've configured the fax server to receive inbound faxes on extension 888 but when 888 is dialed either internally or through an inbound rule that is configured to take a DID and "send fax to 888", it seems that 888 answers in dead silence and hangs up immediately. Call history shows the call...

  11. Fax Distrobution to Multiple Emails via Unique DIDs

    3CX Version: 15.5.5 I have 4 different fax numbers for 4 different departments. I know you can add multiple DIDs to the fax server, but I need 4 different extensions/email addresses to receive from its respective DID. Example: Fax DID 123-456-7890 sends to email [email protected] Fax DID...

  12. What is the minimum hardware needed for...

    Im new to 3cx so be gentle. I am wanting to host my own 3cx server in house because for the size of my office the full voip systems are far to costly. I am wanting to setup 6 handsets plus a further 2 to be used as internal only handsets. I will be using a couple of different yealink models. I...

  13. Fax Client out the Office

    Hi Can I turn off this block? "Fax.888: blocked request from non-local source <out_the_office>:5060" Best Regards, Egor

  14. Fax reception not working

    Hello everybody, We use version v11.0.28976.849 SP.4B Unfortunately, our virtual fax server has not been working for a long time. In the settings I have changed nothing. When I call under our fax number, the pips sound comes. When we receive a fax the sender gets an error message "Error...
  15. Michael Menor

    Solved Fax Server Issues - 488 Not Acceptable Here

    Hi everyone, We're pretty new to the 3CX Fax Server feature and we can't seem to get this (simple) feature to work. All we need is for Fax to Email to work. I opened up a support case with 3CX and they state that the trunk provider will need to support T.38 on their end. I've confirmed with two...
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