I am having a problem to send/recive fax on Elastix v2.0 64bits version. Any Help?

(1) I went to FAX tab and setup New Virtual Fax
(2) I went to PBX tab and add a IAX2 extension assiocate with the Virtual Fax extension
(3) I went to INBOUND ROUNTES and select my SIP truck. On Fax Detech (YES), Fax Detection Type (SIP) and Fax Destination (Fax receipient (my fax extension))

I tried to recive a fax send from a real fax machine with landline. The Elastix doesn't pick up the fax call and It only rings my phone.

Also, I tried to send a fax using Hyla fax client (30days version). The fax machine doesn't pick the fax call from Elastix.

Is there anything wrong on my setup. Please advise. Thanks for your help

You have a few things going on here, I think.

1.) Faxing over SIP is a Bad Idea®. It might work occasionally, but it is bound to be unreliable in most setups.
2.) To use Hylafax, you need to set an inbound route to ring the IAX extension of the virtual fax (or a ring group composed of the various virtual faxen). Do not use the fax detection, as that is part of...
3.) FreePBX has its own separate fax setup, which is configured via a module in the Unembedded FreePBX. This is what you are doing when you turn on detection and direct it to a fax destination.

Tom

If I only have one trunk, how can I detect the voice call or fax call?

Should I include the fax extension into regular ring group?

I went to freepbx "Fax Config". I input all the information. then????

trymes wrote:
2.) To use Hylafax, you need to set an inbound route to ring the IAX extension of the virtual fax (or a ring group composed of the various virtual faxen). Do not use the fax detection, as that is part of...
3.) FreePBX has its own separate fax setup, which is configured via a module in the Unembedded FreePBX. This is what you are doing when you turn on detection and direct it to a fax destination.

This is one of the things driving me crazy. Is this two different ways to do it, or do you need to do it in two different places? Is there a best practice with fax on 2.0 yet? A walkthrough?

There are two separate ways to receive faxes. One is the FreePBX built-in way, which uses rx_fax or some similar aplication, the other is the Elastix method, which uses IAXModem and HylaFAX.

Unless I am mistaken, I think that there is no way to use fax detection with the Elastix/Hylafax method. You should dedicate an inbound route to the fax extension, maybe using a DID to identify incoming fax calls.

Having said that, the FreePBX method can use the fax detection, and it worked for me in my limited testing, though I am not certain how reliable it is. I use three Hylafax instances in a ring group for faxing.

PLEASE NOTE: Trying to accept faxes over a SIP trunk is going to be a frustrating experience. It will likely work sometimes and not others, and it is HIGHLY UNLIKELY to be reliable. Do yourself a favor and get a real phone line for faxes.

Tom

Can you provide steps to set it up if I am using a SIP trunk for voice and fax?

My apologies for being unclear. Here are the instructions:

1.) Do not use fax over a SIP Trunk.
2.) If you must use fax over a SIP trunk, refer to step #1.
3.) There is no step 3!



Tom

I understand using fax over SIP is frustrating experience and bad idea. The point is I am not using fax very often (1 or 2 times for sevenal months)

FAX is a headache but there are a lot of old fashion people not using email but FAX.

I want to cut down all the cost for my company. Fax landline or internet fax services on the Net cost money. If my company using FAX a lot, yes, of course, I will get a fax landline.

I just desable the fax detection from Elaslix incoming route and went to fill up all information on freepbx fax section. see what happen next

You have two options:

1.) Use the Built-in FreePBX fax options. This will allow you to use Fax Detection.
2.) Get a second DID for your SIP Line and direct it to the Elastix (IAXModem and HylaFAX) fax extension.

I would prefer #2, personally.

As for your needs, if you are only receiving 2 faxes a month, or so, I would use a fax-to-email service, as you and your customers will be unhappy with the results of fax over SIP.

Tom

Now,I am OK to recive fax using SIP Trunk

This is what I done.

(1) I went to FAX tab and setup New Virtual Fax
(2) I went to PBX tab and add a IAX2 extension assiocate with the Virtual Fax extension
(3) I logon to freepbx and fill up all the information in "Fax Config".
(4) I added the following into the SIP trunk - peer area

t38pt_udptl=yes
t38pt_rtp=no
t38pt_tcp=no

(5) I added the following into the sip_general_custom.conf

t38pt_udptl=yes
t38pt_rtp=no
t38pt_tcp=no

(6) I added the following into the udptl.conf

T38FaxUdpEC = t38UDPRedundancy
T38FaxMaxDatagram = 400

(7) I added the Fax IAX extension into the regular ring group assiocate with my regular inbound route

Now, I send a test FAX via www.myfax.com/free/ (tested few times and 100% work)

I can get a fax from my Elastix box

Problem: I can get a fax from my Elastix but all the phones keep ringing. I have to hangup all the extension one by one

Is there something wrong ??????????????????????????????????????????????????????