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Voice Over Internet Protocol - Communicating path to others through internet or other Network. http://telephonesystemz.co.uk
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VoIP Telephone Systems
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 viavoice over a network or the internet
What is VoIP
o More than a phone systemo Platform for communication and collaborationo Utilizes computer instead of phone networkso Integrates with computer systems (Outlook)o Can include videoconferencingo Well known examples
Skype, Google Talk, MSN Messenger
Why consider VoIP
Availability of legacy systemsIncreasing maintenance costsLack of supportLack of functionalityTelecommunications
Building a business case
Understanding the business Understand the environment Understanding the benefits Understand how can it enhance your business
Understanding VoIP
Hardware vs. software
Proprietary vs. Open source
PSTN vs. SIPCloud / Hosted
Things to consider
Current telephony services LAN and WAN infrastructure Different flavours of VoIP Costs & Support of VoIP Getting independent advice
Things to consider
Unified CommunicationsVideoconferencingAnalogue devicesMobile fleetSoft phonesRedundancyReception
VoIP Software
Open source
3CX Asterisk Trixbox
Proprietary
Cisco IPFX Siemens Zeacom Microsoft Lync
Hardware
Open source
Epygy Trixbox
Grandstream Linksys Polycom Yealink
Proprietary
Avaya Cisco Nec Nortel Samsung Siemens
Telco / Network
• Call Plus (2Talk, iTalk)• Compass• Orcon• Telecom / Gen-i• Telstra Clear• Solarix• Vodafone• World Xchange
• Kiwilink• Hitech Solutions
Vendors/Integrators
Gen-iConnect NZSiemensMicrosoft
Buy and Utilize the VOIP