3.1.23.1. Sending Fax from Zoiper to Zoiper using T.38
How to set up Asterisk and Zoiper to send faxes to another Zoiper?
Sending faxes from Zoiper to another Zoiper is extremely easy.
In this tutorial I will:
Please refer to this tutorial to learn how to install and set up your Asterisk.
Please refer to this tutorial to learn how to install Zoiper.
Accounts
Creating the first account
And now - the second account:
It is time to edit the extensions.conf file.
NOTE: Please do not forget to reload the sip and the dialplan configurations to enable the last changes!
Please use the "dialplan reload" and "sip reload" commands in the Asterisk CLI console.
Configuring the Zoipers to use the newly created accounts
NOTE: If you enable the "Show Advanced Options" checkbox, you will be able to set up the "Auth. username" and other settings.
There is almost no difference between the Windows and Linux versions of Zoiper.
By pressing the "OK" and then "Register" buttons, the newly created accounts will be saved and registered to our Asterisk server.
Now we have:
* a Zoiper Biz 2.18 registered to the Asterisk server with a SIP account ONE;
* a Zoiper Biz 2.08 registered to the Asterisk server with a SIP account TWO;
Using Zoiper Biz for Windows to send a text document as a fax message to another Zoiper by using the Zoiper printer driver.
Open the text document and go to the printing wizard.
I am using Microsoft WordPad.
Its printing wizard may be accessed by pressing the "Print" icon or by using the "File" menu.
The next step is to select the "Zoiper Print to Fax" device and press "Print".
There is a new screen:
Here is the field where the recipient's number to be entered.
The fax will be sent by pressing the "Send" button.
The other Zoiper is ringing.
It could not tell if this is a voice call or an incoming fax before the call is answered.
After the fax is received by using Zoiper Biz for Linux it is saved in the ~/user directory.
If you do not want to store the incoming faxes directly in your home directory, you could change this by using the "Options" screen.
"Destination folder" - a directory where the incoming faxes to be stored may be entered here.
"Automatically Display" - If this checkbox is marked, every incoming fax will be opened automatically.
Sending faxes by using Zoiper Biz for Linux
When using Linux, MAX OS X or Windows 64bit the file has to be converted to a TIFF file.
This is the only way to send something as a FAX message by using Zoiper.
There are many tools for converting one type to another.
Guidelines for the TIFF file:
NOTE: 200 dpi R6 is A4 and Letter combined, so either A4 or Letter is fine.
NOTE: Standalone JPEG files are not supported.
Sending a TIFF file by using Zoiper
My Zoiper is running and the SIP account is registered.
The "Send Fax" button is activated when the recipient's number is entered in the dialing field.
After the other side answers the call, they see:
And on the sender's side the state reads "Outgoing fax":
If a default destination is not selected, the newly received fax will be stored in the user's Application Data -> ZoiperBiz folder.
Files
Sending faxes from Zoiper to another Zoiper is extremely easy.
In this tutorial I will:
* create two SIP accounts;
* set up these two SIP accounts on two different computers - one of them using Windows, and the other - Linux;
* send a .DOC file as a fax by using the Zoiper Printer driver;
* send a .TIFF file as a fax by using Zoiper;
Depending on what is your operational system, using Zoiper's faxing capabilities is different.
Windows 32bit :
Linux, MAC OS X and Windows 64bit:
* set up these two SIP accounts on two different computers - one of them using Windows, and the other - Linux;
* send a .DOC file as a fax by using the Zoiper Printer driver;
* send a .TIFF file as a fax by using Zoiper;
Depending on what is your operational system, using Zoiper's faxing capabilities is different.
The Zoiper Print to Fax driver works on Windows 2000, Windows XP 32 bit and Windows Vista 32bit.
Windows 32bit :
When you install your Zoiper, the Zoiper Printer driver is being also installed automatically.
Linux, MAC OS X and Windows 64bit:
In Windows 64bitq MAC OS X and Linux you have to convert the file to a TIFF file, then you will be able to send it as a fax message by using Zoiper.
There are many graphic and console tools for converting one type to another.
There are many graphic and console tools for converting one type to another.
Please refer to this tutorial to learn how to install and set up your Asterisk.
Please refer to this tutorial to learn how to install Zoiper.
Accounts
To use any softphone, we need an account.
As the T.38 fax feature of Zoiper is available only for SIP, I will create two SIP accounts.
The names of my accounts will be ONE and TWO.
I am accessing my Asterisk server via ssh.
Use this, or any other way suitable to your needs.
Open the /etc/asterisk/sip.conf file using your favorite editor.
I am using vim.
As the T.38 fax feature of Zoiper is available only for SIP, I will create two SIP accounts.
The names of my accounts will be ONE and TWO.
I am accessing my Asterisk server via ssh.
Use this, or any other way suitable to your needs.
Open the /etc/asterisk/sip.conf file using your favorite editor.
I am using vim.
The line t38pt_udptl = yes should be added in the [general] section of the sip.conf file.
Creating the first account
[one] - the name of the account (this will be also the username)
t38pt_udptl = yes - this line is also important here, no matter that it will not work if missing in the global section.
type = friend - it can be either friend, peer or user depending on if he will make and receive calls.
username = one - here it is the same as the account name
secret = k1tk@ - this will be the account password
host = dynamic - you could enter the IP of the computer where Zoiper is installed if not using DHCP
context = t38test - the context
disallow = all - by disallowing all codecs
allow = ulaw - you could allow only these which are needed
allow = alaw
canreinvite=no
qualify=yes
dtmfmode=auto
t38pt_udptl = yes - this line is also important here, no matter that it will not work if missing in the global section.
type = friend - it can be either friend, peer or user depending on if he will make and receive calls.
username = one - here it is the same as the account name
secret = k1tk@ - this will be the account password
host = dynamic - you could enter the IP of the computer where Zoiper is installed if not using DHCP
context = t38test - the context
disallow = all - by disallowing all codecs
allow = ulaw - you could allow only these which are needed
allow = alaw
canreinvite=no
qualify=yes
dtmfmode=auto
And now - the second account:
I just copied the first account and changed the name.
It is time to edit the extensions.conf file.
[t38test] - the context has to be the same as in the sip.conf file.
exten => 981,1,Dial(SIP/one) - extensions for the first and the second account are needed.
exten => 982,1,Dial(SIP/two)
exten => 981,1,Dial(SIP/one) - extensions for the first and the second account are needed.
exten => 982,1,Dial(SIP/two)
NOTE: Please do not forget to reload the sip and the dialplan configurations to enable the last changes!
Please use the "dialplan reload" and "sip reload" commands in the Asterisk CLI console.
Configuring the Zoipers to use the newly created accounts
Open the "Options" screen of Zoiper and set up the SIP account for the first user.
Enter the IP address of the Asterisk server in the "Domain" field;
Enter the password (k1tk@t);
Enter the username (one);
The Caller ID name (one) is what will be shown on the other side's screen;
Enter the password (k1tk@t);
Enter the username (one);
The Caller ID name (one) is what will be shown on the other side's screen;
NOTE: If you enable the "Show Advanced Options" checkbox, you will be able to set up the "Auth. username" and other settings.
Now - the second one
There is almost no difference between the Windows and Linux versions of Zoiper.
By pressing the "OK" and then "Register" buttons, the newly created accounts will be saved and registered to our Asterisk server.
Now we have:
* a Zoiper Biz 2.18 registered to the Asterisk server with a SIP account ONE;
* a Zoiper Biz 2.08 registered to the Asterisk server with a SIP account TWO;
Using Zoiper Biz for Windows to send a text document as a fax message to another Zoiper by using the Zoiper printer driver.
When using Zoiper Biz on Windows 32bit, you can send almost any document by using the Zoiper Printer driver.
Just open the document, then the printing dialogue and choose the "Zoiper Print to Fax" virtual device.
This will summon Zoiper and send the file as a fax message.
Just open the document, then the printing dialogue and choose the "Zoiper Print to Fax" virtual device.
This will summon Zoiper and send the file as a fax message.
Open the text document and go to the printing wizard.
I am using Microsoft WordPad.
Its printing wizard may be accessed by pressing the "Print" icon or by using the "File" menu.
The next step is to select the "Zoiper Print to Fax" device and press "Print".
There is a new screen:
Here is the field where the recipient's number to be entered.
The fax will be sent by pressing the "Send" button.
The other Zoiper is ringing.
It could not tell if this is a voice call or an incoming fax before the call is answered.
After the fax is received by using Zoiper Biz for Linux it is saved in the ~/user directory.
If you do not want to store the incoming faxes directly in your home directory, you could change this by using the "Options" screen.
"Destination folder" - a directory where the incoming faxes to be stored may be entered here.
"Automatically Display" - If this checkbox is marked, every incoming fax will be opened automatically.
Sending faxes by using Zoiper Biz for Linux
When using Linux, MAX OS X or Windows 64bit the file has to be converted to a TIFF file.
This is the only way to send something as a FAX message by using Zoiper.
There are many tools for converting one type to another.
Guidelines for the TIFF file:
200 dpi R6 portrait orientation, 1 bit per pixel.
NOTE: 200 dpi R6 is A4 and Letter combined, so either A4 or Letter is fine.
Multi-page TIFF files, arbitrary resolutions and pixel depths are supported.
Colour pages are automatically desaturated by luminance, then dithered using Floyd-Steinberg to 1 bit per pixel.
This has good effect and detail retaining for photos and pictures.
If a page is not in the 195-205 dpi resolution range it will be scaled automatically using Lanczos Sinc resampling to 200 dpi while retaining aspect.
If the page size does not match R6, it will be cut where it is longer and white will be added where it is shorter.
No scaling is used here.
Most of the TIFF image compressions are supported including JPEG-in-TIFF.
Colour pages are automatically desaturated by luminance, then dithered using Floyd-Steinberg to 1 bit per pixel.
This has good effect and detail retaining for photos and pictures.
If a page is not in the 195-205 dpi resolution range it will be scaled automatically using Lanczos Sinc resampling to 200 dpi while retaining aspect.
If the page size does not match R6, it will be cut where it is longer and white will be added where it is shorter.
No scaling is used here.
Most of the TIFF image compressions are supported including JPEG-in-TIFF.
NOTE: Standalone JPEG files are not supported.
Sending a TIFF file by using Zoiper
My Zoiper is running and the SIP account is registered.
The "Send Fax" button is activated when the recipient's number is entered in the dialing field.
When the "Send Fax" button is pressed a file browser window will open and the TIFF file could be selected.
After the other side answers the call, they see:
"State : Incoming Fax"
And on the sender's side the state reads "Outgoing fax":
If a default destination is not selected, the newly received fax will be stored in the user's Application Data -> ZoiperBiz folder.
Files
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