There are several databases. Linux, but we have chosen to limit our discussion to the two. Postgre. SQL and My.

SQL. We will also explain how to configure Linux to. Microsoft SQL database via ODBC; however, configuration of the. Windows/Microsoft portion is beyond the scope of this book.

News and feature lists of Linux and BSD distributions. Hyper-V can run Linux easily, with in-built Hyper-V Integration Components available for linux distributions that are less than a few years old. Here's how! CVE-2014-6271 is a high impact critical fix. If you are running a Linux system, you should fix this vulnerability. This CVE-2014-6271 (and CVE-2014-7169) v. Hostkey List of hostkey methods to advertise, comma separated in order of preference.

Regardless of which database you use, this. ODBC connector, so as long as you have some familiarity with getting your. ODBC- ready, you shouldn’t have any problems with this. Integrating Asterisk with databases is one of. Our favorite. dialplan function, which we will cover later in.

This book is intended to be gentle toward those new to Asterisk, but we assume that you’re familiar with basic Linux administration, networking, and other IT.

Pick the database you are most. Installing Postgre. SQL for Cent. OSThe following command can be used to install the. Postgre. SQL server and its dependencies from the console: $ sudo yum install - y postgresql- server. Install 3 Package(s). Upgrade 0 Package(s). Total download size: 6.

M. Is this ok . You will be prompted to also install any additional packages. Press Enter to accept the list of dependencies, at. Postgre. SQL will be.

Press Enter to accept, and the My. SQL server and. dependency packages will be installed: $sudo yum install mysql- server.

Install 5 Package(s). Upgrade 0 Package(s). Total download size: 2. M. Is this ok . You. Press Enter to accept, and the My. SQL server and its. Need to get 2. 4.

MB of archives. You will be. You will then be asked to confirm the. Type your strong password again, followed by Enter.

You will then be returned to the. The My. SQL service will. Now head to the section called “Configuring My. SQL” to perform the initial. Next, create a user called asterisk. You can switch. to the postgres user by using the following.

Note. At the time of this writing, Postgre. SQL. version 8. 1.

Cent. OS, and 8. 4. Ubuntu. Then run the following commands to create. PEnter name of user to add: asterisk. Enter password for new user: Enter it again: Shall the new role be a superuser?

On Ubuntu. you will find it at /etc/postgresql/8. Call the database asterisk and set the owner to your. CREATE DATABASEYou can set the password for the. On. Cent. OS: $sudo service postgresql restart. Note. You need to restart the Postgre. SQL. service because you made changes to pg.

Conveniently, there is a script you can execute that. The script is pretty straightforward, and after. Execute the following script: $sudo /usr/bin/mysql. You can now create your.

CREATE USER command. The % is a wildcard indicating the. IDENTIFIED BY the password. Note the trailing semicolon: mysql> CREATE USER 'asterisk'@'%' IDENTIFIED BY 'some. This saves a lot. There is a slight performance.

Asterisk and. the database, but this can be mitigated with proper design and is well. Asterisk system. Before you install the connector in Asterisk. ODBC into Linux itself.

To install the ODBC drivers, use one of the. On Cent. OS: $sudo yum install unix. ODBC unix. ODBC- devel libtool- ltdl libtool- ltdl- devel. Note. If you’re using a 6.

If you have stability. ODBC, you may need to.

Just be sure to remove the. ODBC drivers via your package manager first. By default, Cent.

OS will install the drivers. Postgre. SQL databases via ODBC. To install the drivers. My. SQL, execute the following command: $sudo yum install mysql- connector- odbc. To install the Postgre. SQL ODBC connector on.

Ubuntu: $sudo apt- get install odbc- postgresql. Or. to install the My. SQL ODBC connector on Ubuntu: $sudo apt- get install libmyodbc. Configuring ODBC for Postgre. SQLConfiguration for the Postgre.

SQL ODBC driver is done in. On Cent. OS the default file already contains. Postgre. SQL, so just verify that the data. The file will look like the following. Add the. following to the odbcinst. Just use Ctrl+D to save the file once you’re done.

Verify that the system is able to see the. It should return the label name.

Postgre. SQL if all is well: $odbcinst - q - d. Asterisk to continue to point to the same. Replace the existing text with the. Add the. following to the odbcinst.

Just use Ctrl+D to save the file once you’re done. Verify that the system is able to see the. It should return the label name.

My. SQL if all is well: # odbcinst - q - d. Asterisk to continue to point to the same. Casebook Episode Ii The Watcher Download Movies. It should return the label name. Free. TDS if all is well: $odbcinst - q - d.

You should get. the following output (or at least something similar; we’re looking for a. Change back to your Asterisk source directory and. ODBC: $cd ~/src/asterisk- complete/asterisk/1. Note. Almost everything in this chapter is.

You will want to run make menuselect to verify that the ODBC- related modules are enabled. These. include cdr.

For voicemail stored in an ODBC. ODBC. You can verify that the modules exist.

Configuring res. These permit you to establish multiple connections (up to. Modify the res. In cases where. Asterisk is sending to the database. SELECT, INSERT, or UPDATE statements are being triggered from.

Asterisk), what the database is. For example, one of the most common. ODBC database integration is an incorrectly defined.

Asterisk expects to exist. While great. strides have been made in the form of adaptive modules, not all parts of. Asterisk are adaptive. In the case of ODBC voicemail storage, you may.

Asterisk prior. to 1. A customer of. one of the module’s authors noted that some people calling into his switch. While his. eventual intent was to change his dialplan to avoid those problems, he. IDs in the meantime, and the database. Microsoft SQL Server database. With a few. exceptions, this is the actual dialplan.

The calls coming into this system used a block of 1. DIDs. There is a mystery function in this dialplan, though. ODBC. This function is. Nominally, this function. ID exists in the Aniblock.

This. value also evaluates directly to true or false, which means we don’t need. Getting Funky with func. It allows you to create and use fairly simple dialplan functions. In effect, you are creating custom. By referring to the named. Tip. While using an external script to interact with a database (from which a flat file is.

Asterisk will read) has advantages (if the database goes. A major disadvantage is that any changes. This is probably not a big issue on small systems, but on. You can relieve some of this by utilizing. Asterisk 1. 6. 0 and newer provide the. This way, you can.

Postgre. SQL, pgcluster or. Postgres- R; ? That is the conundrum we faced when trying to.

So, we decided to build the whole sandwich for you. It’s. quite a mouthful, but after a few bites of this, peanut butter and jelly. For our example, we decided to implement. Picture a small company.

This is not. as cruel as it seems, because these folks spend most of their time on the. Still, when they do get into the office. Also, the boss wants to be able to. This need is typically solved by what is. If you want to have these devices actually work, you will. Chapter 5, User Device Configuration. That’s all for sip.

We’ve got two slices of bread, which. Now let’s get the database part of it set up.

ODBC database created and working, as. First, connect to the. For Postgre. SQL: $sudo su - postgres$psql - U asterisk - h localhost asterisk. Password: Then create the table with the following. SQL: CREATE TABLE ast. Summary of ast. You can view the. This is where the magic is going to happen.

Somewhere in extensions. To start, let’s. define a pattern- match extension that will allow the users to log. Hot- Desking Feature. In this case we. have allowed the 1. You could just as. This. extension uses func.

This custom function (which we will define in the func. Let’s quickly cover them before we. First of all, the prefix is optional. If you don’t configure the.

Asterisk adds “ODBC” to the name of the function (in this case. INFO), which means this function would. ODBC. This is not very. ODBC functions to the tasks they are.

We chose HOTDESK, which. HOTDESK. Since several database. In Figure 1. 6. 1, “Relationships between func. Dialplan functions have two. The readsql attribute is used when we call the.

HOTDESK. The status and 1. HOTDESK. If we had passed a third. Relationships between func. The two values are then.

SQL statement with $.