VoIP with the Asterisk PBX

1
VoIP with the Asterisk PBX

• Mike Gerschefske
• Justin Gray
• James Yoo

2
What is VoIP?

• VoIP stands for Voice over Internet Protocol
• It provides a means of transmitting voice
  communication over an IP based network
• VoIP can use a variety of types of VoIP, by far
  the most common types are SIP, H.323 and Skype.
• There are literally hundereds of different
  software based VoIP phones available and there
  also exists wide support for hardware VoIP phones
  from major manufactures such as Cisco.

3
Why VoIP?

• It can use existing network infrastructure.
• It can operate over relatively low bandwidth
  connections.
• It can be very cost effective.
• VoIP is a feature rich solution for relatively
  low cost.
• Cmon, you know youve always wanted your own
  personal PBX!

4
Why Asterisk?

• Cost 0.00
• Features
• http//www.asterisk.org/features
• Support
• Asterisk is the most widely supported open source
  PBX

5
Project Goals

• Setup an Asterisk server based on Linux
• Create and test SIP accounts using softphones.
• Link accounts to voicemail.
• Test variety of Asterisk plugins.
• Route incoming and outgoing calls across physical
  telco network.

6
Challenges

• Choosing a Linux Distribution
• Suse sucks!
• Gentoo doesnt.
• Mandrake is great for a quick fix.
• Asterisk Dependencies
• Asterisk compiliation
• Finding a FXO card
• Drivers for aforementioned FXO card

7
Hardware

• http//www.digitnetworks.com/
• The Diginetworks X100P FXO card, is about 18 and
  allows people to build a pretty simple PBX
  without spending a lot of money
• They wouldnt let me bring this one from work ?

Dell
8
Demonstration

• Mike calls James
• James calls Justin
• Justin calls Mike, gets voicemail
• Mike Checks voicemail
• James Forwards calls to Mike, Justin calls
• Mike puts Justin on hold.
• X100P Demo of real call