Advisor ： Lian-Jou Tsai
Student ： Yi-Ting Lin

Outline

Motivation

Abstract

PBX system

Telephony Technology

System Setting

System Application

Conclusion & Advance

Motivation
How to achieve a simple personal PBX system.

Abstract
•
This study will introduce PBX system including Asterisk and
SIP protocol.
•
There following introduce Telephony Technology include
PSTN .
•
In the end, I’ll tell you what is this system’s feature.

PBX system

IP PBX system architecture

1XXX
Cloud
2XXX

Asterisk architecture

SIP Protocol

Telephony Technology
PSTN & VoIP

Public switched telephone network(PSTN)

Voice over Internet Protocol (VoIP)
PST
N
VoIP Server

System Setting

How to add a user

How to add a extension with a call

You just need to write this
Notice !!!
The user number is not extension number.
The user number is not only number.

Conclusion & Advance
In this time, it will must be so many old smart phone in a house. The old smart phone can be a sip phone in my PBX system. In android
4.X, this application is already in android system. iOS can be a sip phone too. But it can’t run app in background. if you want to use this application in your IPhone you have to open a app in using.

Reference http://www.asterisk.org/ http://www.888voip.com/featured-solution/trixbox/ http://www.elastix.org/index.php/en/ http://www.freepbx.org/news/2013-10-01/latest-news-from-freepbx-october-2013 http://www.asterisk.org/get-started

Thanks your patient