Faxing Via ATA

› VitalPBX Community Support › General Discussion › Faxing Via ATA

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    • August 8, 2020 at 8:11 pm
    hlev
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    For an inbound route with fax detection configured,what is the difference of sending the detected fax to  Fax Settings – 300 vs Extension – 300?

    If I use Fax Settings – 300 and I set the extension as Fax to Mail enabled, I do get the fax in my email box, but without the setting, I can’t get seem to make the faxes reach the fax machine which is connected to vital via a SPA112 ATA.

    Attaching a log, pbx returns OK response, yet fax never reaches the fax-machine.

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    • August 17, 2020 at 8:30 pm
    Mrshanks
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    You do not want to use PBX-based fax detection when utilizing an ATA. Just route the call directly to the ATA and make all of the necessary adjustments for jitter and t.38 pass-thru.
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    • August 27, 2020 at 4:24 pm
    mtsi.tech
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    Would be great if VitalPBX could send faxes out without the need for a modem. Are you seriously suggesting we need to go to the dump and dig for USRobotics 14.4. modems now…Come on…

     

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    • August 27, 2020 at 4:36 pm
    Joseph Montes
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    You can send Faxes from the VitalPBX UI using the Virtual Faxes add-on. With it you use a Virtual FAX Machine instead of a physical FAX Machine.

    What @Mrshanks is saying is that if you are planning on using an ATA to connect a physical FAX machine, there is no need to detect faxes on the PBX. The FAX machine is the one that is in charge of that. There’s no need to use an external modem. Having the call routed directly to the FAX machine would be the same as having a direct line connected to it. No need for modems in between, since FAX machines are the ones that process that FAX signal.

    You have either the physical FAX machine process the signaling or the PBX. But you wouldn’t be able to have both.

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    • October 9, 2020 at 1:59 am
    Raj-205
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    Joseph, I am using Dinstar ATA for fax, using SIP trunk can not send/receive a fax. Any special settings need to do on Vital?
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    • July 15, 2021 at 1:28 am
    sayedshanab
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    Hi All,

    Same as Raj-45, I have Grandstream ATA HT802 registered to a sip extension ext (78) and the ATA is connected to a FAX machine but can’t send any faxes and always return with busy signal.
    Here you are the log  in the attachments while trying to send a fax to (17634174193) from ext(78) call flow is changed in this row” == Redirecting ‘SIP/T24_78-0000302f’ to fax extension due to CNG detection”

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