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At this point you can also select other languages you wish to have |
on your system. We recommend you select the WAV and G722 for‐ |
mats (and G729 as well, if you need to support it). |
Under Codec Translators (--- External ---): |
• Select [*] codec_opus |
• Select [*] codec_silk |
• Select [*] codec_siren7 |
• Select [*] codec_siren14 |
• Select [*] codec_g729a |
36 |
| |
Chapter 3: Installing Asterisk |
Under Core Sound Packages: |
• Deselect [*] CORE-SOUNDS-EN-GSM |
• Select [*] CORE-SOUNDS-EN-WAV |
• Select [*] CORE-SOUNDS-EN-G722 |
Under Extras Sound Packages: |
• Select [*] EXTRA-SOUNDS-EN-WAV |
• Select [*] EXTRA-SOUNDS-EN-G722 |
Save and Exit. |
Three more commands and Asterisk is installed: |
$ make # this will take several minutes to complete |
# (depending on the speed of your system) |
$ sudo make install # you must run this with escalated privileges |
$ sudo make config # this too |
When the make config command has completed, it will suggest |
some commands to install the sample configuration files. For the |
purposes of this book, you do not want to do this. We will be build‐ |
ing the necessary files by hand, so the sample files will only serve to |
disrupt and confuse that process. Having said that, the sample files |
are useful, and we will mention them throughout this book, since |
they are excellent reference material. |
Reboot the system. |
Once the boot is complete, log back in as the astmin user, and temporarily set SELi‐ |
nux to Permissive (it will revert to Enforcing after each boot, so until we’ve sorted |
out the SELinux portion of the install, this has to happen on every boot): |
$ sudo setenforce Permissive |
$ sudo sestatus |
This should show Current mode: permissive |
Verify that Asterisk is running with the following command: |
$ ps -ef | grep asterisk |
You want to see the /user/sbin/asterisk daemon running (currently as user root, |
but we’ll fix that shortly). |
Asterisk is now installed and is running; however, there are a few configuration set‐ |
tings we’ll need to make before the system is in any way useful. |
Asterisk Installation |
| |
37 |
Initial Configuration |
Asterisk stores its configuration files in the /etc/asterisk folder by default. The Aster‐ |
isk process itself doesn’t need any configuration files in order to run; however, it will |
not be usable yet, since none of the features it provides have been specified. We’re |
going to handle a few of the initial configuration tasks now. |
Asterisk configuration files use the semicolon (;) character for |
comments, primarily because the hash character (#) is a valid char‐ |
acter on a telephone number pad. |
The modules.conf file gives you fine-grained control over what modules Asterisk will |
(and will not) load. It’s usually not necessary to explicitly define each module in this |
file, but you could if you wanted to. We’re going to create a very simple file like this: |
$ sudo chown asterisk:asterisk /etc/asterisk ; sudo chmod 664 /etc/asterisk |
$ sudo -u asterisk vim /etc/asterisk/modules.conf |
[modules] |
autoload=yes |
preload=res_odbc.so |
preload=res_config_odbc.so |
We’re using ODBC to load many of the configurations of other modules, and we need |
this connector available before Asterisk attempts to load anything else, so we’ll pre- |
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