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Selecting theRight
IP PBX Solution
Brandon WeilbacherDirector of Product ManagementSIP: [email protected]
(972) 692-1166 [email protected]
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Q1: Should I buy a PBX or IP PBX?
Q2: What are the Technology Considerations?
Q3: What are the Feature Set Considerations?Q4: What User Acceptance Considerations are
important?
Testimonial
Agenda
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Traditional PBX
USA.
PSTN
2
1
Extension to extensionExtension to PSTN
x22
9 7 2 - 5 5 5 - 1 2 1 2
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IP PBX Solution
Extension to extension SIP peer to SIP peerExtension to PSTN Extension to ITSP to PSTN4
ITSP
4
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IP PBX AdvantagesMore cost effective options for voice traffic
New advanced features not possible on traditionalPBXs increase efficiency
Enterprise Data and Phone networks merged
Equipment requirements minimized with All in oneBox solutions
Minimized office wiring
Simplified management and administration
Lower cost Moves, Adds, and Changes
Question: PBX vs. IP PBXAnswer: IP PBX
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How to upgrade to VoIP
Add a gateway to your current PBX for a low cost solutionDeploy a state-of-the-art IP PBX to take full advantage of IPPBX technology
Cost Effective ScalabilityAbility to add additional IP phones as the business grows
Reasonable cost at low line sizePSTN interface, lifeline 911
PSTN interface can serve as a backup to VoIP, provide lifelinepower and be utilized for 911 traffic
Consider All in one Box solutions Built in IP router- QoS, VPN, Analog and SIP phone support
Signaling/Codec SupportSIP (Session Initiation Protocol)G.711, G.723, G.726, G.729, iLBC bandwidth vs. quality
Technology Considerations
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Worldwide IP PBX Market andSIP Penetration Forecast
(Excludes Phones)
$0
$1,000
$2,000
$3,000
$4,000
$5,000
$6,000
$7,000
2002 2003 2004 2005 2006 2007 20080%5%
10%15%20%25%30%35%
40%45%
SIP Penetration
IP PBX Revenues
Source: IDC; Gartner
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Needed bandwidth in kBit/s using the Codecs: Packet Sizein msec. G.711u / G.711a G.726-16 G.726-24 G.726-32 G.726-40 G.729a
10 105 58 66 73 81 50
20 84 37 45 52 60 29
30 77 30 38 45 53 22
40 73 26 34 42 50 18
50 71 24 32 40 48 1660 70 23 30 38 46 15
Needed bandwidth in kBit/s using the Codecs: Packet Sizein msec. G.711u / G.711a G.726-16 G.726-24 G.726-32 G.726-40 G.729a
10 148 98 105 117 123 92
20 105 59 65 74 80 49
30 91 43 52 60 66 35
40 84 37 45 53 61 29
50 80 33 41 48 56 25
60 77 30 37 46 53 22
Required Bandwidth for Standard Packets:
Required Bandwidth for Encrypted Packets (in the case that a VPN is used) :
Bandwidth Requirements
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Feature Set Considerations
Certified Support on major ITSP(Internet Telephony ServiceProvider) networks
Full set of PBX features to provideseamless replacement of existingPBX or key systemIntegrated Voice Mail, IVR withoutadded boxes or cost
Fax support (T.38, forwarding)
Custom call routing to supportcorporate dial plans
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User AcceptanceConsiderations
Intuitive Telephone User InterfaceErgonomics of the new phonesKeep the existing phones?
Graphical User Interface
AdministrationUsers Configuration
Minimal changes in dialing plan
Many new features not available on legacy PBXsystems require user education
Choose a Fully Featured Product andProvide Extensive User Training
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The Requirements: Long Distance Cost Reduction Regardless of the industry, all small businesses have something in common; they strive to beinnovative while keeping their balance sheet in check. Rocking T Inc. is a freight trucking companywith offices in several different states that began looking for ways to decrease one of their majorexpenses long distance phone charges. Because most of their locations had broadband Internetaccess, Rocking T explored a VoIP solution as the most innovative and cost effective way tosignificantly reduce their long distance expenses. One major criteria for choosing a VoIP systemwas that it needed to be easy to configure and maintain After looking at several products wedecided to use the Quadro from Epygi, says Raymond Brady, RockingTs IT Manger. We liked theVPN and firewall features that these units had built right into the box, especially since using a VOIP with some routers can be difficult.
Quick Installation The freedom to call a co-worker without concern for distance or expense enables greatercommunication within a business. The Quadro system brilliantly facilitates communicationcombined with ease of use. Because the application was designed with SMEs (small and mediumsized enterprises) and teleworkers in mind, it is a plug and play device that is quick and easy toinstall. Our installation went very smoothly, Brady says. I had the first box up and going and made a test VOIP call in about an hour. This would have been much faster but we were replacingan existing firewall. Later we setup a VPN connection between our two offices and this was very easy to configure with the Quadro interface. I have configured VPN connections before and I wasvery pleased with how easy the process was.
Positive ROI for complete SolutionRocking T selected Epygi because they were searching for a VoIP solution that was immediatelycost effective and would save them substantial amounts of money over time. Many VoIPsolutions require the customer to purchase expensive phones that need to be upgraded whenthe system becomes outdated. The Quadro product line offers a range of affordable productsthat allow the user to make free, or virtually free calls and it plugs directly into your existinganalogue or VoIP phone. We setup our second Quadro in another office the following week {after the first installation} and we were making FREE VOIP calls between our two offices in notime at all, says Brady.
Testimonial
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