6.1.1.6. LANGUAGE (dialplan function) - NEW
1. LANGUAGE - this function allows you to change the used language.
NOTE:Information about the Asterisk functions could be obtained by typing the show functions command.
Information about a particular function could be obtained by typing the show function <function name> on the Asterisk CLI command.
NOTE: In Asterisk versions 1.2 and up there are several applications which are mark as deprecated and which are no longer supported.
These applications will now become functions and these functions will be used in combination with the Set application.
You have to know that their functionality will be the same, but with a different syntax.
The LANGUAGE function is one of those new functions which will replace the old applications. In this tutorial we will show you its syntax and possible usage.
Check out the old syntax of the SetLanguage application here
Syntax:
List of the possible options
Purpose and usage
Prerequisites
Asterisk PBX configurations
iax.conf Configurations
extensions.conf Configurations
2. Screenshots of what you could see on the CLI of the Asterisk PBX
3. Additional information
4. Uploaded files
LANGUAGE.tar - configuration files
NOTE:Information about the Asterisk functions could be obtained by typing the show functions command.
Information about a particular function could be obtained by typing the show function <function name> on the Asterisk CLI command.
NOTE: In Asterisk versions 1.2 and up there are several applications which are mark as deprecated and which are no longer supported.
These applications will now become functions and these functions will be used in combination with the Set application.
You have to know that their functionality will be the same, but with a different syntax.
The LANGUAGE function is one of those new functions which will replace the old applications. In this tutorial we will show you its syntax and possible usage.
Check out the old syntax of the SetLanguage application here
Syntax:
Set(LANGUAGE()=value)
List of the possible options
value - The new language, which you want to set to the caller. It has to be written in the standard two letters abbreviation. ("en" for English, "fr" for French, "de" for German and so on)
Purpose and usage
The purpose of this function is to give you the possibility to change the preferable language. This also could be done manually in the configuration file of the channel oyu use (iax.conf, sip.conf or mgcp.conf). However may be it is easier to do this by using the LANGUAGE() function.
With this function you could state your preferable language. The Asterisk PBX could use this to determine and play the sound files recorded in the desired language.
If your preferable language is set to de(German), then the system will try to play the sound files from the /var/lib/asterisk/sounds/de directory. The messages in these files are recorded in German. If your language is set to fr(French), the system will try to play the sound files from the /var/lib/asterisk/sounds/fr directory. The messages in these files are recorded in French. And so on.
If the language directory does not exist, the system will play the general sound files, which are placed in the /var/lib/asterisk/sounds.
Also, if there is no directory for your language, you could create one. Then you could record sound messages in your own language and put them in the created directory.
So, your services could become more personalized and user friendly.
When you set a language, you have to use the standard two letters abbreviation.
Below, we will give you an example.
With this function you could state your preferable language. The Asterisk PBX could use this to determine and play the sound files recorded in the desired language.
If your preferable language is set to de(German), then the system will try to play the sound files from the /var/lib/asterisk/sounds/de directory. The messages in these files are recorded in German. If your language is set to fr(French), the system will try to play the sound files from the /var/lib/asterisk/sounds/fr directory. The messages in these files are recorded in French. And so on.
If the language directory does not exist, the system will play the general sound files, which are placed in the /var/lib/asterisk/sounds.
Also, if there is no directory for your language, you could create one. Then you could record sound messages in your own language and put them in the created directory.
So, your services could become more personalized and user friendly.
When you set a language, you have to use the standard two letters abbreviation.
Below, we will give you an example.
Prerequisites
To use this application you need a working Asterisk PBX with registered users in iax.conf, sip.conf or mgcp.conf(It depends on which protocol you would like to use) and made extensions. We are using Asterisk version1.2.1.
To see how the application works we recommend you to use our IAX softphone Idefisk. You could download it from here. Please also read our tutorial to learn how to configure it to work with Asterisk PBX.
To see how the application works we recommend you to use our IAX softphone Idefisk. You could download it from here. Please also read our tutorial to learn how to configure it to work with Asterisk PBX.
Asterisk PBX configurations
iax.conf Configurations
We need to create one user in the iax.conf file. This is because we are going to use the IAX2 protocol. If you want to use other protocol, such as SIP or MGCP, you have to do the configurations below respectively in sip.conf or mgcp.conf.
So, we have registered the user user1
Type=friend means that this user can make and receive calls. Host=dynamic means that the IP is not static but dynamic through a DHCP server. Allow=all means that the line which this user will use, could support all audio codecs. Context=test - this shows that this user is working with the extensions in this context of the configuration file extensions.conf.
Type=friend means that this user can make and receive calls. Host=dynamic means that the IP is not static but dynamic through a DHCP server. Allow=all means that the line which this user will use, could support all audio codecs. Context=test - this shows that this user is working with the extensions in this context of the configuration file extensions.conf.
extensions.conf Configurations
Now lets take a look at the extensions.conf file.
On the picture above you could see our extensions.conf file.
In this example, when somebody dials 100, the call will be answered by the Answer application. The next executed extension will be the one which contains the NoOp application. We will use it to check the content of the ${LANGUAGE} variable. In our case it shows en i.e. English, because this is the language set in the general section of our iax.conf file by using the language=<language> option.
Now let's change the preferable caller's language with the LANGUAGE() function.
Use the Set application and type the following, as argument in its brackets - LANGUAGE()=de. This will cause the change of the language from en to de i.e. German.
We will use another extension with the NoOp application - to verify that the change is successful.
NOTE: The function LANGUAGE is case sensitive. You always have to write it in your dialplans as you see it in our tutorial.
In order to be sure that the Asterisk PBX will hang up the line, when the conversation is over, it is a good idea to use the Hangup application.
In this example, when somebody dials 100, the call will be answered by the Answer application. The next executed extension will be the one which contains the NoOp application. We will use it to check the content of the ${LANGUAGE} variable. In our case it shows en i.e. English, because this is the language set in the general section of our iax.conf file by using the language=<language> option.
Now let's change the preferable caller's language with the LANGUAGE() function.
Use the Set application and type the following, as argument in its brackets - LANGUAGE()=de. This will cause the change of the language from en to de i.e. German.
We will use another extension with the NoOp application - to verify that the change is successful.
NOTE: The function LANGUAGE is case sensitive. You always have to write it in your dialplans as you see it in our tutorial.
In order to be sure that the Asterisk PBX will hang up the line, when the conversation is over, it is a good idea to use the Hangup application.
2. Screenshots of what you could see on the CLI of the Asterisk PBX
3. Additional information
For more information about extensions.conf you can check here.
For more information about iax.conf you can check here.
This application is tested with our IAX softphone Idefisk. You can download it from here. For more information about this softphone please read our tutorial.
If you would like to test this application with the SIP channel you can read our tutorials about the SIP Softphones to learn how to configure them to work with Asterisk PBX
More information about the Set application could be found here
For more information about iax.conf you can check here.
This application is tested with our IAX softphone Idefisk. You can download it from here. For more information about this softphone please read our tutorial.
If you would like to test this application with the SIP channel you can read our tutorials about the SIP Softphones to learn how to configure them to work with Asterisk PBX
More information about the Set application could be found here
4. Uploaded files
LANGUAGE.tar - configuration files
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