voip telephone systems
DESCRIPTION
Voice Over Internet Protocol - Communicating path to others through internet or other Network. http://telephonesystemz.co.ukTRANSCRIPT
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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
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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
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Why consider VoIP
Availability of legacy systemsIncreasing maintenance costsLack of supportLack of functionalityTelecommunications
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Building a business case
Understanding the business Understand the environment Understanding the benefits Understand how can it enhance your business
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Understanding VoIP
Hardware vs. software
Proprietary vs. Open source
PSTN vs. SIPCloud / Hosted
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Things to consider
Current telephony services LAN and WAN infrastructure Different flavours of VoIP Costs & Support of VoIP Getting independent advice
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Things to consider
Unified CommunicationsVideoconferencingAnalogue devicesMobile fleetSoft phonesRedundancyReception
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VoIP Software
Open source
3CX Asterisk Trixbox
Proprietary
Cisco IPFX Siemens Zeacom Microsoft Lync
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Hardware
Open source
Epygy Trixbox
Grandstream Linksys Polycom Yealink
Proprietary
Avaya Cisco Nec Nortel Samsung Siemens
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Telco / Network
• Call Plus (2Talk, iTalk)• Compass• Orcon• Telecom / Gen-i• Telstra Clear• Solarix• Vodafone• World Xchange
• Kiwilink• Hitech Solutions
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Vendors/Integrators
Gen-iConnect NZSiemensMicrosoft