Setup manual for FreePBX 12 and FreePBX 13. Instructions on how to configure VoIP equipment FreePBX. Setup manual / FreePBX.
Get something like a CISCO SPA 112, configure it for faxing:
![Freepbx setup fax Freepbx setup fax](http://www.ozekiphone.com/attachments/1316/05-ozeki-voip-sip-sdk-freepbx.jpg.jpg)
On FREEPBX Create an extension for the fax device using chan_sip.
(can't remember where I got the following from but have tested and it does work.)
Select Voice in the Menu Bar, and then select either Line 1 or Line 2 depending on which line you have used for your fax, In the Network Settings section, enter the following settings:
Network Jitter Level: very high
Jitter Buffer Adjustment: no
Jitter Buffer Adjustment: no
Next, in the Supplementary Service Subscription section, enter the following settings:
Call Waiting Serv: no
Three Way Call Serv: no
Call Waiting Serv: no
Three Way Call Serv: no
Now, in the Audio Configuration section, enter the following settings to support T.38 fax:
Preferred Codec: G711u (USA) or G711a (rest of the world)
Use Pref Codec Only: yes
Silence Supp Enable: no
Echo Canc Enable: no
FAX Passthru Codec: G711u (USA) or G711a (rest of the world)
FAX Passthru method: ReINVITE
FAX Enable T38: yes
FAX T38 ECM Enable: yes
Fax Tone Detect Mode: Callee only
Click Submit to save your settings.
Preferred Codec: G711u (USA) or G711a (rest of the world)
Use Pref Codec Only: yes
Silence Supp Enable: no
Echo Canc Enable: no
FAX Passthru Codec: G711u (USA) or G711a (rest of the world)
FAX Passthru method: ReINVITE
FAX Enable T38: yes
FAX T38 ECM Enable: yes
Fax Tone Detect Mode: Callee only
Click Submit to save your settings.
Verify that your fax machine BAUD rate is set to a speed between 7200 and 14400. I suggest 9600.
You should now be able to successfully send (and receive) a fax over your chosen VoIP provider using your Cisco SPA112 or SPA122.
You should now be able to successfully send (and receive) a fax over your chosen VoIP provider using your Cisco SPA112 or SPA122.
On your Freepbx box make sure that you edit sip settings and enable T.38.
Note: This will work most of the time; however faxing over VOIP is not 100% reliable. Any spikes in latency are going to cause the fax to fail.
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FreePBX is the world most popular and widely adopted open source IP telephony software. The core VoIP communication is based on Asterisk 13 - The most powerful IP telephony platform. This course is designed for the newbies, small & medium business that like to use the IP telephony - PBX or even the solution providers that like to gear up for telephony services to the end users.
The course starts with initial telephony concepts and terms used in phone service industry. No prior technical knowledge about telecommunication required to take this course.
The course has project depicting the real world scenario. This helps the students to have activity based learning and can apply learned knowledge to the real world. The course clearly explained the phone system features with lab practice for configurations.
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The course covers the latest release of FreePBX 14.
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