2. Two Worlds
 Telecommunications Service
Provides basic voice service for free
 Information Service
Provides enhanced communication service that involves data
storage/processing i.e. Internet access, voice mail…

3. • Supports both the Voice and Data
• Call Routing
• Integrates other media like Video, Electronic
White Board
• Flexibility
• Reliable Services

4. C
O
N
M
C
O
E
D
P
E
T
L
U
A
L

5. IMPLEMENTATION MODEL

6. VoIP Architectures
• PC to PC
Internet

7. VoIP Architectures
• Phone to Phone via the Internet
Internet

8. VoIP Architectures
• Phone to Internet to Gateway to PSTN
Internet
GATEWAY
PSTN

9. Alternative VoIP Architectures
• PSTN to Gateway to Internet to Gateway
to PSTN
Internet
GATEWAY GATEWAY
PSTN PSTN

10. VoIP Examples
• Xbox Voice
• Windows messenger
• AOL Instant Messenger
• Motorola Phone Adapter (Vonage)
• Cisco Phone
• Cox Cable in Hampton Roads, Virginia

11. A VoIP Network

12. Company/Developer: Palosanto Solutions
OS family: GNU/Linux
Source model: Free and open source
software
Kernel type: Monolithic (Linux)

13. Elastix is an open source Unified Communications Server software that
brings together IP PBX, email, IM, faxing and collaboration functionality. It
has a Web interface and includes capabilities such as a Call Center
software with predictive dialing.
The Elastix functionality is based on open source projects
including Asterisk, Hyla Fax, Openfire and Postfix. Those packages
offer the PBX, fax, instant messaging and email functions, respectively. It
make an excellent software package available for open source telephony.

14. WHY ELASTIX?
 Elastix has a good support for telephony hardware. It includes drivers
for the major manufacturers like Dinstar
OpenVox, Digium, Sangoma, Rhino Equipment, Xorcom,
and Yeastar. The most of these drivers are supported through the
zaptel project or modified versions of it. Other drivers are supported
by the mIDSN project and other projects.
 Elastix also support other phone brands thanks to
the SIP and IAX protocols that Asterisk implement. These protocols
are based on public available standards. For this reason any
manufacturer can build a product that supports them. Some
supported manufacturers
are Polycom, Atcom, Aastra, Linksys,Snom, and Cisco.

15. Elastix include the following communication media

16. There are new ways of communication every day and the addition of
features and functionality must be constant. Elastix it’s capable of
establish an efficient environment on an organization with the addition of
many features that allows to integrate other locations of a company to
centralize their business and take it global. A user in a corporation
located in South America shares the same functionalities of another
located in Asia besides having direct internal communication.
Some of the basic Features of Elastix include:
Voicemail
Fax-to-email
Support for softphones
Web Interface Configuration
Virtual conference rooms
Call recording
Least Cost Routing
Extension Roaming
Caller ID
Advance Reports

17. SOFTPHONE
A softphone is a software program for making
telephone calls over the internet using a general
purpose computer, rather than using dedicated
hardware. For registering an extension number you
can use a softphone. The biggest advantage is that it
does not cost to you (if you use free versions) and it
is easy to use. X-Lite softphone is shown below
which can be communicated visually

18. The Admin Dashboard – The Elastix control centre

19. REPORT GENERATION PANEL

21. FLASH OPERATOR PANEL