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Skype Me!
From Single User to
Small Enterprise and Beyond
Michael Gough, SkypeTips.com
Salman Abdul Baset •Joshua Brashars •Larry Chaffin
FOREWORD
Michael Cross • Dan Douglass BY BILL CAMPBELL
Michael Sweeney
SKYPE JOURNAL
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There is no guarantee of any kind,expressed or implied,regarding the Work or its contents.The Work is
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allow the exclusion or limitation of liability for consequential or incidental damages,the above limitation
may not apply to you.
You should always use reasonable care,including backup and other appropriate precautions,when working
with computers,networks,data,and files.
Syngress Media®,Syngress®,“Career Advancement Through Skill Enhancement®,”“Ask the Author
UPDATE®,”and “Hack Proofing®,”are registered trademarks of Syngress Publishing,Inc.“Syngress:The
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in this book are trademarks or service marks of their respective companies.
KEY SERIAL NUMBER
001 HJIRTCV764
002 PO9873D5FG
003 829KM8NJH2
004 94533D3VG5
005 CVPLQ6WQ23
006 VBP965T5T5
007 HJJJ863WD3E
008 2987GVTWMK
009 629MP5SDJT
010 IMWQ295T6T
PUBLISHED BY
Syngress Publishing,Inc.
800 Hingham Street
Rockland,MA 02370
Skype Me! From Single User to Small Enterprise and Beyond
Copyright © 2006 by Syngress Publishing,Inc.All rights reserved.Printed in Canada.Except as permitted
under the Copyright Act of 1976,no part of this publication may be reproduced or distributed in any
form or by any means,or stored in a database or retrieval system,without the prior written permission of
the publisher,with the exception that the program listings may be entered,stored,and executed in a com-
puter system,but they may not be reproduced for publication.
Printed in Canada
1 2 3 4 5 6 7 8 9 0
ISBN:1-59749-032-6
Publisher:Andrew Williams Page Layout and Art:Patricia Lupien
Acquisitions Editor:Gary Byrne Copy Editor:Darlene Bordwell
Technical Editors:Michael Goughand Indexer:Rich Carlson
Salman Abdul Baset Cover Designer:Michael Kavish
Technical Proofreader:Neil Lindsey
Distributed by O’Reilly Media,Inc.in the United States and Canada.
For information on rights,translations,and bulk purchases contact Matt Pedersen,Director of Sales and
Rights,at Syngress Publishing;email [email protected] fax to 781-681-3585.
336_Skype_FM.qxd 11/11/05 6:11 PM Page v
Author Dedication:
For my daughter, for without her I would have never known
how wonderful and rewarding being a father could be.
To all those that helped in this project by testing,reviewing and contributing,
thank you!
A Word from the Author:
Skype is an ever moving target with updates and new products being released
all the time.As you read this book you may find that Skype or a product has
been updated with a newer version.Know that even though Skype may look
different,or a product was updated,the features or content still applies.Just find
the equivalent item in the new version and go with the flow.There are many
products,both software and hardware we did not cover or that came out after
we completed the book.We will update www.skypetips.com/
web_pages/skype_me.html with any updates to the book or feedback we
receive so that you can have access to the latest information.
We hope you enjoy the book and it helps you understand the world of Skype
and how you can use the latest in Voice technology over the Internet to com-
municate with your family and friends and explore the many options Skype has
to offer to improve your communication experience and make life a little more
fun and cost effective.
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Syngress Acknowledgments
Syngress would like to acknowledge the following people for their kindness and
support in making this book possible.
Syngress books are now distributed in the United States and Canada by O’Reilly
Media,Inc.The enthusiasm and work ethic at O’Reilly are incredible,and we
would like to thank everyone there for their time and efforts to bring Syngress
books to market:Tim O’Reilly,Laura Baldwin,Mark Brokering,Mike Leonard,
Donna Selenko,Bonnie Sheehan,Cindy Davis,Grant Kikkert,Opol Matsutaro,
Steve Hazelwood,Mark Wilson,Rick Brown,Tim Hinton,Kyle Hart,Sara Winge,
Peter Pardo,Leslie Crandell,Regina Aggio Wilkinson,Pascal Honscher,Preston
Paull,Susan Thompson,Bruce Stewart,Laura Schmier,Sue Willing,Mark Jacobsen,
Betsy Waliszewski,Kathryn Barrett,John Chodacki,Rob Bullington,Kerry Beck,
and Karen Montgomery.
The incredibly hardworking team at Elsevier Science,including Jonathan Bunkell,
Ian Seager,Duncan Enright,David Burton,Rosanna Ramacciotti,Robert
Fairbrother,Miguel Sanchez,Klaus Beran,Emma Wyatt,Chris Hossack,Krista
Leppiko,Marcel Koppes,Judy Chappell,Radek Janousek,and Chris Reinders for
making certain that our vision remains worldwide in scope.
David Buckland,Marie Chieng,Lucy Chong,Leslie Lim,Audrey Gan,Pang Ai
Hua,Joseph Chan,and Siti Zuraidah Ahmad of STP Distributors for the enthu-
siasm with which they receive our books.
David Scott,Tricia Wilden,Marilla Burgess,Annette Scott,Andrew Swaffer,Stephen
O’Donoghue, Bec Lowe, Mark Langley, and Anyo Geddes of Woodslane for dis-
tributing our books throughout Australia, New Zealand, Papua New Guinea, Fiji,
Tonga,Solomon Islands,and the Cook Islands.
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Lead Author
and Technical Editor
Michael Gough is host and webmaster of www.SkypeTips.com,
which was launched in January 2005 and receives more than
100,000 hits per month,and www.VideoCallTips.com,which
receives more than 30,000 hits per month.Michael writes articles
on Skype and related issues.He also explains Skype’s options and
instructions to users so that they can practically apply Skype at
home and in the workplace.Michael also evaluates products used
with Skype and provides feedback to the vendors on features and
improvements to help drive the direction of Skype-related products.
Michael is also the host and webmaster for the Web site
www.VideoCallTips.com,which is focused on helping people
understand how to make video calls to family and friends,and
maintains ratings of the many video call solutions available.
Michael’s full-time employment is as a computer security con-
sultant with 18 years’experience in the computer technology field.
Michael works for a Fortune 500 company,where he delivers secu-
rity consulting services to their clients.Michael also presents for his
company at many trade shows and conferences and works with
associations and groups,advising agencies like the FBI on Skype
security and the Center for Internet Security on wireless security.
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Technical Editor
Salman Abdul Baset is a first-year Ph.D.student in the computer
science department at Columbia University.His areas of research
include multimedia and peer-to-peer networks,ubiquitous com-
puting,network security,reverse engineering/hacking of programs,
and privacy.He holds an M.S.in Computer Science from Columbia
University and a B.S.in Computer System Engineering from
Ghulam Ishaq Khan Institute of Engineering Sciences & Technology
in Pakistan.
Contributing Authors
Joshua Brashars is a telecommunications specialist in San Diego,
CA.Joshua spends most of his time tinkering with voice-over-IP
applications and the rest of his time working with Secure Science
Corporation,breaking things apart.Joshua would like to thank his
family,friends,Johnny Long,Lance James,and all of his hacker
friends for their undying support.
Larry Chaffin (CISSP,PMP,JNCIE,MBCP,CWNP,NNCSE,
NNCDE,CCNP,CCDP,CCNP-WAN,CCDP-WAN) is the
CEO/Chairman of Pluto Networks and the Vice President of
Advanced Network Technologies for Plannet Group.He is an
accomplished author;he cowrote Managing Cisco Network Security
(ISBN:1-931836-56-6) and has also been a coauthor/ghost writer
for 11 other technology books for VoIP,WLAN,security,and
optical technologies.Larry has more than 29 vendor certifications
such as the ones already listed,plus Cisco VoIP,Optical,Security,
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VPN,IDS,Unity,and WLAN.He is also certified by Nortel in
DMS Carrier Class Switches along with CS100’S,MCS5100,Call
Pilot,and WLAN.Many other certifications come from vendors
such as Avaya,HP,IBM,Microsoft,PeopleSoft,and VMware.Larry
has been a Principal Architect around the world in 22 countries for
many Fortune 100 companies designing VoIP,Security,WLAN,and
optical networks.His next project is to write a book on Nortel
VoIP and a new security architecture book he has designed for VoIP
and WLAN networks.
Michael Cross (MCSE,MCP+I,CNA,Network+) is an Internet
Specialist/Computer Forensic Analyst with the Niagara Regional
Police Service (NRPS).He performs computer forensic examina-
tions on computers involved in criminal investigation.He also has
consulted and assisted in cases dealing with computer-
related/Internet crimes.In addition to designing and maintaining
the NRPS Web site at www.nrps.com and the NRPS intranet,he
has provided support in the areas of programming,hardware,and
network administration.As part of an information technology team
that provides support to a user base of more than 800 civilian and
uniform users,he has a theory that when the users carry guns,you
tend to be more motivated in solving their problems.
Michael also owns KnightWare (www.knightware.ca),which
provides computer-related services such as Web page design,and
Bookworms (www.bookworms.ca),where you can purchase col-
lectibles and other interesting items online.He has been a freelance
writer for several years,and he has been published more than three
dozen times in numerous books and anthologies.He currently
resides in St.Catharines,Ontario,Canada,with his lovely wife,
Jennifer,his darling daughter,Sara,and charming son,Jason.
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