fax

  1. Inbound Fax - 3CX to ATA: 488 Not Acceptable Here

    I'm unable to receive inbound faxes. I was able to send one outbound fax. When I do a packet capture on the 3CX, I see the 3CX send a SIP invite to the Patton ATA. The Patton sends a SIP invite back to the 3CX. It looks like it's trying to switch over to T.38. The 3CX then sends a Status 488 Not...

  2. Unable to Dial Outbound - Fax Extension

    I purchased a DID, created a fax extension (880), configured a Patton 4112 under FXS, and setup an incoming rule to forward faxes to this extension. I have not tested inbound faxing yet. I was trying to test outbound faxing first, however, I get a busy signal when I try to dial outbound to...
  3. Andriy

    Faxes to different DIDs to different emails

    Hello I have 3CX cloud system shared by 3 offices. Each one has a fax number. Currently all the faxes I send to 3CX are sent to one single address. Is it possible to forward Faxes to different emails depending on what DID were they sent to? For exampple fax sent to 00-0000-0000 > goes to...

  4. Solved Updated to 16.0.5.454 to resolve an Issue now 2 Patton 4112's won't work

    I have not had any faxing issues until updating to this version of Beta which I am aware of yes it is Beta but, Fax should not cut off. I have two fax devices Patton 4112's that for years have worked great no issues then I updated and poof issues. These are not fun to troubleshoot, They both...

  5. Poor FXS support for FAX in 3cx, provisioning Grandstream ht802 leaves much to be desired

    3cx version: 16.0.3.676 on premise in a hyper-v vm FXS Grandstream ht802 firmware: 1.0.13.7 Provider: deutsche telekom, sip-trunk ngn FXS resides in the same local subnet as the 3cx server Goals: Use codecs G722, ALAW, ULAW, G729 in this order for voice extensions internally and externally...

  6. Fax Server Baud Rate

    I am having problems with the fax server and corrupted faxes. On our physical fax, we slowed the baud rate right down to 9600 to solve this. Can the 3CX fax server baud rate be adjusted/slowed?

  7. Fax not ringing

    Hi, I have a fax machine connected to an SPA112 and can fax directly from the machine, however, unfortunately, inbound faxes cannot be received as the ext does not ring. I have unplugged the fax and plugged a handset into the ATA and rang the extension and it is dead. I am using ext 8800...

  8. Why do "FAX Extensions" exist? Difference to normal extensions?

    I have mixed success sending faxes using Cisco and other adaptors. I think it does not make much difference if they are configured as a normal extension or a "FAX Extension" in 3CX. What ist the difference between normal and FAX? Should I always use a FAX extension, and what are the benefits...

  9. Patton SN4120 and Fax machine

    Hello everyone, I am testing a deploy of an on-premises 3CX server (Debian). I would like to get rid of an old freepbx system. Everything runs smoothly, the only issue I have is regarding an ISDN line with two numbers. The digital output of the ISDN socket is connected to a Patton SN4120...

  10. Fax - separate fax folder for each extension

    Hello, We need to provide our clients with a solution for the following problem: 1. Customers send a fax to the client 2. The client needs to see the fax in a system that can read TIFF only The solution issues: 1. We have 2 different extensions, in order to show the fax in the program in...

  11. Remove WAN restrictions for whitelisted IP's

    Hi, In my experience there are various reasons you may want a device to be able to communicate with a cloud server outside of an SBC. I know there is an option to allow this per extension but it would be just a touch smoother if whitelisting an IP covered all extensions at that IP...

  12. FAX Extensions Block WAN Request is ON

    Hi, I try to register the Fax extension with a hosted PBX, I assume the registration gest rejected because is coming outside the LAN. FAX extensions does not have the "disallow use of ext outside the LAN" any work around this? perhaps via the console SIP request (REGISTER) was rejected...
  13. Andriy

    Solved Fax problem

    Hello I have setup a dedicated FAX did so that when a fax is sent to this DID it goes to 88 extension and converted to PDF and sent to the email specified in FAX server settings. It worked a couple of times, but recently for some reason I am getting an error. I can not send faxes to this DID...

  14. GS HT812 - Analogue Fax

    Hi, I wonder if anyone can shed some light... I have an old fax machine that is still needed and i have bought a HT812 which i've been told works with 3cx but, not without some hard work! Does anyone have any ideas other than "its not support" or "fax is dead". The current setup is hosted 3cx...
  15. Andriy

    Sending fax using extensions g.711

    Hi everyone, Does anyone know if i can send FAXes using normal extension (not Fax extension or Fax server)? I am trying VentaFax and it connects to the extension without problem, but can not send fax with this error: "Modem detected BUSY signals while playing sound" The reason why I am asking...

  16. Faxes are blank?

    I have an HP Photosmart 7520 connected to a Cisco SPA112 ATA. I have used this thread https://www.3cx.com/community/threads/3cx-and-cisco-spa112.53696/ to configure it. Outgoing fax reaches the destination and the cover page goes through, but the actual scanned document does not. Perhaps there...

  17. Fax Extension is not working correctly

    We have the Problem that the Fax extension is redirecting the incoming fax to a different extension, wich ist not set in 3cx. That results in a Telephone ringing when a Fax is beeing send to us, and of course no E-Mail with the Fax is beeing send out by the 3cx. The problem can temporarily...

  18. Inbound T.38 Fax consistently failing

    Hello, I would like to receive faxes on a single DID and have them sent by email. The integrated "3CX Fax Server" ist designed to do just this. It's configured like this(some data obscured): There's an inbound rule auto created, sending all calls on that DID to 888, at all times of day. When...

  19. Manual fax using Yeastar TA200

    I am trying to set up manual fax using TA200. I have configured everything and I'm able to make voice calls. However I can not get the sending and receiving of faxes to work. Any ideas on what I may have done wrong. I'm using 3CX v15.
  20. jimbo59

    Press 7 to leave a fax

    Would this be possible? I would like to point the analog fax line inbount and also for backup when internet down and would like to use IVR to allow user to press 7 or default to fax on one particular IVR.
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