PBX in a Flash System Summary

What about these arrows

between

?

Asterisk

Licensing Agreement

Linux

You are allowed to use it, view it, modify it without permission of the author Eugene Blanchard, provided that you agree to the following:

and

• That you will try to be a better person today than yesterday.
• That you will exercise your body as well as your mind.
• That you will tell the persons dear to you that you love them.
• That you will defend the rights of those who are unable to defend themselves.
• That you will not hurt your family members emotionally or physically.
• That you will respect your elders and care for them in time of need.
• That you will respect the rights of others in their religious beliefs.
• That you will respect the rights of others in their sexual orientation.
• That every man, woman and child has the right to be here and is equal regardless of race, creed or color.
• That you will act honorably in all aspects of your personal and business life.
• That your family is first and foremost the most important thing in your life.
• That when you make a mistake, that you admit it and make amends.

This information is available online in the hope it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

The hardware is stuff like

The software interface puts

your NIC card running the Internet Protocol (IP)

The SIP protocol on IP

When you administer a

PBX in a Flash

your FXS/FXO analog card

PBX

and uses Libpri

a T1 card with 24 channels available

to put ISDN PRI on the T1 line

Point your web browser to ASterisk PBX's IP address

You have

and analog voice on the FXS/FXO lines

4

interfaces open:

Linux kernel drivers deal with this

(zaptel, dahdi, eth0)

Select Admin menus - FreePBX

Asterisk takes care of this part!

SSH using PuTTY or console

This is the interface between

• Linux command line
• Asterisk CLI
• Webmin
• FreePBX

Configure:

• extensions
• outbound routes
• inbound routes
• features
• DID
• Zap channels
• trunks
• system recordings
• IVR

Much more!

software

hardware

and

Username: maint or wwwadmin

Password: what you set earlier!

Web GUIs

The Call Detail Report is

accessible here also!

PBX in a Flash

System Summary

Asterisk

By Eugene Blanchard

Linux

PBX

Linux

at the Linux command prompt, type

asterisk -rvv

root@pbx~$

you will enter the Asterisk CLI

Click on the Right Arrow to view through this

presentation

Another command line interface

Looks into the heart of Asterisk!

Centos distribution

CLI>

For 90% of the time,

you will configure your PBX through FreePBX

Web configuration tool

root@pbx~$

Prompt:

No username or password needed

Very USEFUL

status information displayed here!

Lots of

test

CLI>

+ SELinux Kernel

prompt:

command line access

Linux Command prompt

IMPORTANT:

called the Asterisk CLI

through the console

or SSH using PuTTY

for extensions, trunks,

PBX stuff!

UGLY!

Old school uses the

OLD

command line interface

FreePBX writes the configurations

to the MySQL database!

still need to know it!

Joe Roper put together a great resource

Called

Conversational Linux

http://pbxinaflash.net/Conversational_Linux.pdf

looks like DOS or Windows command line

Username: root

Password: what you set earlier!

PuTTY is a free Secure Shell (SSH) client

This is the

config window

Most will be written over when

Not to the configuration files directly!

you "Apply Configuration Changes" !

Most configuration files reside in

the /etc directory

It opens up a command line window

http://www.chiark.greenend.org.uk/~sgtatham/putty/

and /etc subdirectories

/etc/zaptel

such as

or

/etc/dahdi

they are text files

and you may LOSE your configs if you manually edited them!

Linux Configuration Files

those with the word "_custom" are safe

not

will be written over

Asterisk configuration files

Webmin - File Manager is great

• for editing and examining files!

text files located in

/etc/asterisk

Daemons (servers):

web GUI

database specifically for Asterisk

dialplans, extensions,

configurations

There are many services running on a

http://pbxinaflash.net/

PBX in a Flash PBX

But you CAN't touch them!

consists of two parts

Web servers

firewalls

for managing Linux

First, let's look at the operating system:

FTP servers

SAMBA servers

TFTP servers

MySQL database server

for the most part..

ftp

tftp

They have configuration files too!

The MySQL database writes

Webmin is

NEW School

It is a web GUI that allows you to

manage your servers

edit the config files

and much more!

OVER

most existing

configurations files

Point your Web Browser to your Asterisk PBX's IP address

the

Operating System

Select

Admin - Webmin

Webmin let's you

configure just about

every part of your

Linux platform!

The username is "root" and the password is the one that you set earlier

It is the

distribution of Linux

and

Based on Red Hat Enterprise Linux (RHEL) version

PBX

Using the SELinux kernel

(Security Enhanced)

We'll just call it

Linux