Voice Over Internet Protocol - Communicating path to others through internet or other Network. http://telephonesystemz.co.uk

1. VoIP Telephone Systems

2. A definition
Voice over Internet Protocol (VoIP) is a general
term for a family of transmission technologies
for delivery of voice communications over IP
networks such as the Internet or other packet-
switched networks.
– Wikipedia 2011
In other words, its a way for communicating via
voice over a network or the internet

3. What is VoIP
o More than a phone system
o Platform for communication and collaboration
o Utilizes computer instead of phone networks
o Integrates with computer systems (Outlook)
o Can include videoconferencing
o Well known examples
Skype, Google Talk, MSN Messenger

4. Why consider VoIP
Availability of legacy systems
Increasing maintenance costs
Lack of support
Lack of functionality
Telecommunications

5. Building a business case
 Understanding the business
 Understand the environment
 Understanding the benefits
 Understand how can it enhance your business

6. Understanding VoIP
Hardware vs.
software
Proprietary vs.
Open source
PSTN vs. SIP
Cloud / Hosted

7. Things to consider
 Current telephony services
 LAN and WAN infrastructure
 Different flavours of VoIP
 Costs & Support of VoIP
 Getting independent advice

8. Things to consider
Unified Communications
Videoconferencing
Analogue devices
Mobile fleet
Soft phones
Redundancy
Reception

9. VoIP Software
Open source
 3CX
 Asterisk
 Trixbox
Proprietary
 Cisco
 IPFX
 Siemens
 Zeacom
 Microsoft Lync

10. Hardware
Open source
 Epygy
 Trixbox
 Grandstream
 Linksys
 Polycom
 Yealink
Proprietary
 Avaya
 Cisco
 Nec
 Nortel
 Samsung
 Siemens

11. Telco / Network
• Call Plus (2Talk, iTalk)
• Compass
• Orcon
• Telecom / Gen-i
• Telstra Clear
• Solarix
• Vodafone
• World Xchange
• Kiwilink
• Hitech Solutions

12. Vendors/Integrators
Gen-i
Connect NZ
Siemens
Microsoft

13. Buy and Utilize the VOIP