understanding voice-over-ip
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Understanding Voice-over-IPTRANSCRIPT
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Understanding Voice-over-IP Jim Locke, PrincipalResultWorx Technology Group
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Agenda
•What is VOIP?•How is VOIP different from other
systems?•Discuss types of phone systems•Discuss Common Concerns•Home Office Options•Transitioning to VOIP
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What is VOIP?
•Voice-over-Internet Protocol•Uses an Internet protocol to transmit
voice calls across the Internet and/or internal networks
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The VOIP Difference•POTS (Plain Old Telephone System)
▫Uses assigned phone lines to make calls▫Poor utilization rates increases costs
Generally 1 phone line to every 2-3 phones•Voice-over-IP
▫Uses a portion of bandwidth from a digital circuit to deliver a simultaneous number of calls
▫Good utilization rate, based on simultaneous calls
▫VOIP circuit can often be used for data too
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Types of Phone Systems
•Traditional PBX Systems•IP-PBX Systems•Hosted VOIP
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Traditional PBX
•Traditional on-premise phone system•Delivers service via multiple phone lines•Scalability – Limited by hardware and lines•Anticipated Life – 5-10 years•Associated Costs
▫System hardware and phones▫Metered Rates▫Monthly cost of lines▫Maintenance & Upgrades
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IP-PBX Systems•On-premise system similar to the PBX•Delivers service via multiple analog or
digital phone lines •Scalability – Limited by hardware and lines•Anticipated Life – 5-10 Years•Associated Costs
▫System hardware and phones▫Monthly cost of lines and/or digital circuits▫Metered and/or fixed rates▫Maintenance & Upgrades
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Hosted Voice-over-IP (VOIP)
•No on-premise phone system•Delivers service via digital circuits and
network•Anticipated Life – 10, 20, 30 years?•Scalability – Limited by bandwidth•Associated Costs
▫Phones; Possible cabling costs▫Monthly cost of digital circuits▫Fixed rates per phone▫Low Maintenance / No Upgrade Costs
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Other Advantages of VOIP• System can be accessed from the office,
mobile phone, a “soft-phone” loaded on a computer, etc; Basically, any place with Internet access.
• Calls can be routed from phone to phone or can ring all phones simultaneously; Establish your own routing rules
• Business Continuity - If you lose your Internet connection for any reason, calls are automatically routed to voice mail
• The system is administered via a web interface with minimal effort
• Each user generally has their own direct phone number
• Connect multiple offices on a single system
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Common VOIP Concerns
•Can I keep my existing phone number?•Quality of service – The Vonage
Experience•Reliability – What happens if I lose
Internet?•What type of cabling do I need?•Can I use a fax machine with VOIP?•Can I page over VOIP?
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Home Office Phone Options
•Consumer grade VOIP systems like Vonage, Google Voice or Skype
•Virtual phone systems like My1Voice•Speakeasy Hosted Voice
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Transitioning to VOIP
•Connect your existing phone system to an Integrated VOIP circuit▫Provides some of the cost savings of hosted
VOIP▫Provides some of the features of hosted
VOIP▫Easier to convert to a hosted solution when
you are ready