Is FAX Service working over a SIP T38 provider?

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laurian3000

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Please help with an answer.

I'm still using free version of 3CX 3.1 for more then 1 year and it work just great. Now our company moved to a new location were we have no analogical lines and we need altenative FAX service over SIP lines.

My question is: If I will buy the comercial version of 3CX v6, will the FAX service work over a SIP provider with T38 enabled registered direcly in 3CX? For me is not possible to use any FXS gatway becouse I have no access to any analog providers in my area. I only have a fiber internet connection.

Now, I'm testing the new 3cx 6 rc1 with the demo key provided in the forum, that should enable all comercial features for testing purposes , but the FAX service not working fine for me. I enabled FAX services on a SIP line, but and when I call it, the PBX automaticaly hang up the connection in 1 sec.
Is the FAX service disabled for that demo key? or I missed a configuration setting?

my logs look like this : ( at every 10 minutes I see this fax logs) are they wrong?

19:50:15.718 FaxCfg::updateContact [CM504008]: Fax Service: registered as sip:[email protected]:5060 with contact sip:[email protected]:5100;user=phone
19:50:15.296 FaxCfg::updateContact [CM504010]: Fax Service: unregistered contact sip:888:5100;user=phone
.....
19:30:14.921 FaxCfg::updateContact [CM504008]: Fax Service: registered as sip:[email protected]:5060 with contact sip:[email protected]:5100;user=phone
19:30:14.468 FaxCfg::updateContact [CM504010]: Fax Service: unregistered contact sip:888:5100;user=phone
....
19:10:14.140 FaxCfg::updateContact [CM504008]: Fax Service: registered as sip:[email protected]:5060 with contact sip:[email protected]:5100;user=phone
19:10:13.031 FaxCfg::updateContact [CM504010]: Fax Service: unregistered contact sip:888:5100;user=phone
.....
Thank you in advance for your answer.
Mihnea
 
The fax service has been tested with VOIP gateways only. It is known to work with several VOIP providers, however we can not guarantuee operation with all VOIP providers. Performing interoperability tests with a particular VOIP provider is possible, but charged at an hourly rate because of the work involved.
 
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