Internet Telephony Magazine Digital Issue May 2007
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Polycom_InternetTele_0507.pdf 4/9/07 4:42:22 PM C M Y CM MY CY CMY K The Zippy Files By Richard “Zippy“ Grigonis Group Publisher and Editor-In-Chief, Giving Birth — Rich Tehrani ([email protected]) and Other Strenuous Activities EDITORIAL Group Editorial Director, Greg Galitzine ([email protected]) Executive Editor, Richard “Zippy” Grigonis ([email protected]) Some impending births have got our attention Associate Editor, Erik Linask ([email protected]) these days. TMC LABS Executive Technology Editor/CTO/VP, Tom Keating First, that venerable maker of wireless and wireline hardware and software “building ([email protected]) blocks,” Aculab (news - alert) (http://www.aculab.com), has announced a bold new product line for the converged networks of both enterprises and service providers. ART/DESIGN Creative Director, Alan Urkawich Called ApplianX, it includes a range of voice and video IP gateways, SIP trunking Graphic Designer, Lisa Mellers gateways, media servers and related equipment. ApplianX (news - alert) is based upon Aculab’s own innovative Prosody X technology, which itself was an editorial topic of EXECUTIVE OFFICERS mine. Nadji Tehrani, Chairman and CEO Rich Tehrani, President The ApplianX hardware’s form factor is the familiar 19-inch rackmount, which Dave Rodriguez, VP of Publications and Conferences nestles quite comfortably in racks brimming with existing infrastructure equipment. Kevin J. Noonan, VP of Business Development Up to 4 E1 or T1 trunks can be housed in 1U “pizza box” sized-server and 80 trunks Michael Genaro, VP of Marketing in a cPCI, carrier class chassis. Tom Keating, CTO, VP The first two ApplianX products to roll off the production line are the ApplianX IP ADVERTISING SALES Gateway and ApplianX VoiceXML Media Server. The ApplianX IP Gateway comes Sales Office Phone: 203-852-6800 Senior Advertising Director — Eastern U.S.; with 1, 2 or 4 E1 or T1 trunks that support various E1 and T1 protocols, plus the Canada; Israel PBX integration protocols DPNSS and Q.SIG. The ApplianX VoiceXML Media Anthony Graffeo, ext. 174, ([email protected]) Server is a standards-based media service platform for service center and enterprises Advertising Director — Midwest U.S.; that can be connected to either TDM or IP networks. The media server can execute Southwest U.S.; EMEA; Europe Allan Brown, ext. 278, ([email protected]) applications written to VXML 2.0 and CCXML 1.0. Advertising Director — Western U.S.; APAC Bob Johnson, 978-337-3828, ([email protected]) The ApplianX product line is notable in its use of scalable, high availability config- urations, which makes it suitable for even the largest carrier class service providers and SUBSCRIPTIONS enterprises. Configuration and administration is done with an integrated HTML web Circulation Director, Shirley Russo, ext. 157 ([email protected]) server for remote configuration and monitoring, and there’s support for the usual sus- Annual digital subscriptions to INTERNET TELEPHONY®: free pects of SNMP, RADIUS, CDRs [Call Detail Records] and event logging. to qualifying U.S., Canada and foreign subscribers. Annual print sub- scriptions to INTERNET TELEPHONY®: free, U.S. qualifying readers; $29.00 U.S. nonqualifying, $39.00 Canada, $60.00, foreign qualifying and nonqualifying. All orders are payable in advance in U.S. As for the second birth, we at TMC must confess that we’re the mother, father and dollars drawn against a U.S. bank. Connecticut residents add applica- ble sales tax. For more information, contact our Web site at midwife! Last month, Rich Tehrani announced in these pages that TMC would be www.itmag.com or call 203-852-6800. publishing a bold new magazine, Unified Communications. For those of us who remember the “killer app” hoopla of “unified messaging” back in the 1990s, it’s grati- EXHIBIT SALES Sales Office Phone: 203-852-6800 fying to see that the technology has been quietly evolving (thanks in part to IP, more Global Events Account Directors stable operating systems and cheap broadband connections) and has progressed to the Companies whose names begin with: point where the field deserves a magazine of its own. A-G or #s: Maureen Gambino ([email protected]) H-P: Chris Waechter ([email protected]) But this will be a magazine unlike any other. Whereas the form factor of the Q-Z: Joe Fabiano ([email protected]) ApplianX is the tried-and-true 19-inch rackmount, the “form factor” of Unified Conference Sales Manager, Frank Coppola ([email protected]) Communications will be, in the word’s of the Monty Python troupe, “something com- pletely different”. That “something” takes into account the primacy of the digital and ABOUT INTERNET TELEPHONY® web incarnations of today’s magazines. In fact, it’s a “something” that may end up Internet telephony is revolutionizing telecommunications through the convergence of voice, video, fax, and data, creating unprecedented influencing the whole magazine industry. opportunities for resellers, developers, and service providers alike. INTERNET TELEPHONY® focuses on providing readers with the information necessary to learn about and purchase the equip- ment, software, and services necessary to take advantage of this I’m sure you’re itching to learn more - and as we get closer to our July launch date, technology. INTERNET TELEPHONY® readers include Yours Truly will reveal more details about TMC’s latest and most exciting creation. IT resellers, developers, MIS/networking departments, telecom depart- ments, datacom departments, telcos/LECs, wireless/PCS providers, ISPs, and cable companies. Richard Grigonis is Executive Editor of TMC’s IP Communications Group. Subscribe FREE online at http://www.itmag.com INTERNET TELEPHONY® May 2007 1 Experience the Allworx difference! Allworx products are different in ways that matter most to customers: Award-winning products designed • Lowest installed cost in the industry exclusively for • Most feature-rich system small businesses • Smoothest transition to VoIP • Easiest to install, use and administer To learn more, see a demo or become a reseller, call 1-866-ALLWORX x249 or visit www.allworx.com/9 Allworx 071441->Internet Telepho1 1 3/6/07 4:04:33 PM Contents Cover Story The IP Communications Authority Since 1998TM Volume 10/ Number 5 May 2007 IN EACH ISSUE 8 Publisher’s Outlook Explosive Small Business Communications Growth By Rich Tehrani COLUMNS 20 Inside Networking P is for People in Telephony By Tony Rybczynski 22 Next Wave Redux Why There’s No Internet QoS and Likely Never Will Be By Brough Turner 24 Mind Share 2.0 GotVoice Juices the Voice Mail Marketplace By Chris Gatch and Marc Robins 26 For the Record 66 SMS May Be Your SOS 5 Tips for Selecting a Hosted VoIP Provider By Kelly Anderson 28 VoIPeering FEATURE ARTICLES Cutting Out the Middleman 52 Enterprise Peer-to-Peer Communications By Hunter Newby By Richard “Zippy” Grigonis 56 SIP’s Role in Enterprise IP Telephony 30 Enterprise View By Pat Rudolph SIP Trunking: Is It Right for Your Enterprise? By Steven Johnson 58 QoS Comes First By Duby Yoely 32 Regulation Watch 62 Delivering QoS for End-to-End VoIP Service Quality Will Somebody Please Fix Intercarrier Compensation By Jay Malin, Ph.D. By John Cimko 64 Hosted IP Telephony Solutions By Richard “Zippy” Grigonis 34 Packet Voice over Wireless NEW Securing Enterprise VoWiFi 68 Streamlining Service Creation COLUMN By Michael Stanford By Richard “Zippy” Grigonis 72 Delivering Reliable Quality of Service 36 Disaster Preparedness By Richard “Zippy” Grigonis VoIP and Continuity Planning - Is VoIP the Answer for 76 Enterprise Mobility Your Organization? By Richard “Zippy” Grigonis By Rich Tehrani & Max Schroeder DEPARTMENTS 38 Tech Score 1 The Zippy Files Can an Asterisk-Based System Scale Out? 12 Industry News By Jeff Hudgins 42 Rich Tehrani’s Executive Suite: Level 3’s Myrle McNeal 44 Product Round-up: Hosted VoIP Service Providers 46 Special Focus: Global VoIP 40 Nitty Gritty 48 Case Study: Enventys turns to AltiGen Diversified Technology’s New Blades 50 Case Study: A Case of Night and Day By Richard “Zippy” Grigonis 79 VoIP Marketplace 79 Ad Index 80 The VoIP Authority 4 INTERNET TELEPHONY® May 2007 Subscribe FREE online at http://www.itmag.com Go to Table of Contents | Go to Ad Index 25202_0 T:8 in S:7 in ©2007 Samsung Telecommunications America, LLC. Samsung is a registered trademark of Samsung Electronics America, Inc. and its related entities. All rights reserved. T :10.75 in S:10 in imagine a communications system that blends all technologies into one Imagine an all-in-one solution that lets you start with just-what-you-need. The Samsung Offi ceServ™ 7000 Series offers VoIP, analog voice, wireline, wireless functionality and full data capabilities including fi rewall, VPN and an enterprise class router/switch. Then it blends all those capabilities into an easily upgradeable modular design that ensures your Offi ceServ will still be your solution when your small- or mid-sized Offi ceServ 7400 business becomes large-sized. 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