VoIP Hacks

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More About This Book

Overview

Voice over Internet Protocol (VoIP) is gaining a lot of attention these days, as more companies and individuals switch from standard telephone service to phone service via the Internet. The reason is simple: A single network to carry voice and data is easier to scale, maintain, and administer. As an added bonus, it's also cheaper, because VoIP is free of the endless government regulations and tariffs imposed upon phone companies.

VoIP is simply overflowing with hack potential, and VoIP Hacks is the practical guide from O'Reilly that presents these possibilities to you. It provides dozens of hands-on projects for building a VoIP network, showing you how to tweak and customize a multitude of exciting things to get the job done. Along the way, you'll also learn which standards and practices work best for your particular environment. Among the quick and clever solutions showcased in the book are those for:

  • gauging VoIP readiness on an enterprise network
  • using SIP, H.323, and other signaling specifications
  • providing low-layer security in a VoIP environment
  • employing IP hardphones, analog telephone adapters, and softPBX servers
  • dealing with and avoiding the most common VoIP deployment mistakes

In reality, VoIP Hacks contains only a small subset of VoIP knowledge-enough to serve as an introduction to the world of VoIP and teach you how to use it to save money, be more productive, or just impress your friends. If you love to tinker and optimize, this is the one technology, and the one book, you must investigate.

Voice over Internet Protocol is gaining a lot of attention these days. Both practical and fun, this text provides technology enthusiasts and voice professionals with dozens of hands-on projects for building a VoIP network, including a softPBX.

Editorial Reviews

From Barnes & Noble
The Barnes & Noble Review
VoIP makes telephony even more hackable than it was in the halcyon days of Steve Wozniak, Steve Jobs, and their legendary “black boxes.” To get a taste of what’s possible, get VoIP Hacks, another entry in O’Reilly’s marvelously hands-on Hacks series.

Some of these are “true” hacks, in the sense that they require significant technical expertise. (Set up Asterisk, the full-fledged business PBX that also happens to be open source software running on Linux, Mac OS X, or BSD. Then, configure it to make and receive free calls on the Skype network.) Others just require downloading a little software. (Skype the contacts in your Outlook or Mac OS X address book.) Both types of hack are fascinating, and -- think of this as a bonus -- most of them are quite useful. Bill Camarda, from the January 2006 Read Only

Product Details

  • ISBN-13: 9780596101336
  • Publisher: O'Reilly Media, Incorporated
  • Publication date: 1/10/2006
  • Pages: 328
  • Sales rank: 1,088,859
  • Series: Hacks Series
  • Product dimensions: 6.38 (w) x 9.36 (h) x 0.85 (d)

Meet the Author

Ted Wallingford has designed and implemented Voice over IP on networks large and small. As IT Director for a large, private construction firm, Ted transformed a single-operator midrange computer room into a mission-critical 24x7 data center hosting services for lines of business across the country. He now offers network design for VoIP systems and product management assistance for up & coming VoIP carriers through his macVoIP.com consulting practice. Ted is also the author of O'Reilly's "Switching to VoIP".

Table of Contents

Credits; About the Author; Contributors; Acknowledgments; Preface; Why VoIP Hacks?; How This Book Is Organized; Using Code Examples; Chapter 1: Broadband VoIP Services; 1.1 Hacks 1–7: Introduction; 1.2 VoIP-Based Phone Service Providers; 1 Get Connected; 2 Use Pure VoIP Dialing with Your TSP; 3 Wire Your House Phones for VoIP; 4 Use a Softphone with a VoIP TSP; 5 Prioritize Packets to Improve Quality; 6 Got 911?; 7 Update Your VoIP ATA Firmware; Chapter 2: Desktop Telephony; 2.1 Hacks 8–27: Introduction; 8 Access Next-Gen Voice Features; 9 Track Vonage Account Info on Your Desktop; 10 Pick a Desktop VoIP Client; 11 Sound Like Darth Vader While You VoIP; 12 Grow Your Social Network with Gizmo; 13 Record VoIP Calls on Your Windows PC; 14 Handle Calls with Windows Software; 15 Let Your Mac Answer and Log Your Calls; 16 Run Phlink Even When Logged Off; 17 Greet Callers Differently Each Day; 18 Use Caller IDs in AppleScripts; 19 Control iTunes from Phlink; 20 VoIP While Fragging; 21 Google for Telephony Info; 22 Telephonize a Sound File; 23 Record an Audio Chat on Your Mac; 24 Create Telephony Sounds with SoX; 25 Mix the Perfect Announcement; 26 Sound Like a Pro Announcer; 27 Record a Videoconference; Chapter 3: Skype and Skyping; 3.1 Hacks 28–40: Introduction; 28 Get Skype and Make Some New Friends; 29 Skype Your Outlook Contacts; 30 Skype People from the OS X Address Book; 31 Enable Site Visitors to Skype You; 32 Speak Jyve; 33 Teach Your Browser to Speak Jyve; 34 Carry Skype in Your Pocket; 35 Degunk International SkypeOut Calls; 36 From Podcasting to Skypecasting; 37 Answer Your Skype Calls, Even When You're Not Around; 38 Use Custom Rings and Sounds with Skype; 39 Emote by Sight and Sound with Skype; 40 Skype with Your Home Phone; Chapter 4: Asterisk; 4.1 Hacks 41–58: Introduction; 41 Turn Your Linux Box into a PBX; 42 Attach a SIP Phone to Asterisk; 43 Connect a Phone Line Using an FXO Gateway; 44 Connect a Legacy Phone Line Using Zaptel; 45 Forward Your Home Calls to Your Cell Phone; 46 Selectively Forward Calls; 47 Report Telephone Activity with Excel; 48 Kindly Introduce Telemarketers to Mr. Privacy; 49 Build a Four-Line Phone Server; 50 Master Music-on-Hold; 51 Record Calls; 52 Get Your Daily Weather Forecast from Your Telephone; 53 Put a Happy Face on Asterisk Using AMP; 54 Run Asterisk Without Root, for Security's Sake; 55 Link Two Asterisk Servers with PSTN; 56 Link Several PBXs over the Internet; 57 Route Calls Using Distinctive Ring; 58 Tune Up Your Asterisk Logs; Chapter 5: Telephony Hardware Hacks; 5.1 Hacks 59–71: Introduction; 59 Record Calls the Old-Fashioned Way; 60 Make IP-to-IP Phone Calls with a Grandstream BudgeTone; 61 Build a Custom Ringtone for Your Grandstream Phone; 62 Tweak Your Sipura ATA; 63 Build a Bat Phone; 64 Brew Your Own Zaptel Interface Card; 65 Build a Speed-Dial Service on Cisco IP Phones; 66 Power Cisco Phones with Standard Inline Power; 67 Customize Your Cisco IP Phone's Boot Logo; 68 Configure Multiple IP Phones at One Time; 69 Customize Uniden IP Phones from TFTP; 70 Control the Lights Using Your IP Phone; 71 Use a Rotary-Dial Phone with VoIP; Chapter 6: Navigate the VoIP Network; 6.1 Hacks 72–87: Introduction; 72 Monitor VoIP Devices; 73 Inspect the SIP Message Structure; 74 Audit a Network's QoS Capabilities; 75 Graph Latency and Jitter; 76 Explore NAT Traversal; 77 Shape Network Traffic to Improve Quality of Service; 78 Create a Premium Class of Service; 79 Build a $100 PSTN Gateway in 10 Minutes or Less; 80 Make IP Phone Configuration a Trivial Matter; 81 Peek Inside of SIP Packets; 82 Dig into SDP; 83 Sniff Out Jittery Calls with Ethereal; 84 Log VoIP Traffic; 85 Secretly Record VoIP Calls; 86 Log and Record VoIP Streams; 87 Intercept and Record a VoIP Call; Chapter 7: Hard-Core Voice; 7.1 Hacks 88–100: Introduction; 88 Build a Killer Telephony Server; 89 Build an H.323 Gatekeeper Using OpenH323; 90 Turn Your Linux Box into a Fax Machine; 91 Build an Inbound Fax-to-Email Gateway; 92 Teach Your Asterisk Box to Speak; 93 Build a Mac PBX; 94 Monitor Asterisk from Your Perl Scripts; 95 Build a SoftPBX with No Hard Drive; 96 Build a Standalone Voicemail Server in Less Than a Half-Hour; 97 Automate Your Voicemail Greeting; 98 Connect Asterisk to the Skype Network; 99 Forward Your Home Phone Calls to Skype; 100 Get Started with sipX; Colophon;

Ted Wallingford has designed and implemented Voice over IP on networks large and small. As IT Director for a large, private construction firm, Ted transformed a single-operator midrange computer room into a mission-critical 24x7 data center hosting services for lines of business across the country. He now offers network design for VoIP systems and product management assistance for up & coming VoIP carriers through his macVoIP.com consulting practice. Ted is also the author of O'Reilly's "Switching to VoIP".

Customer Reviews

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Sort by: Showing all of 2 Customer Reviews

  • Anonymous

    Posted August 5, 2006

    Users with some basic background who love to customize will be especially delighted.

    Ted Wallingford's VoIP Hacks: Tips & Tools For Internet Telephony covers the hack potential of VoIP technology, providing dozens of projects for building a VoIP network, customizing hardware and software, and using devices. Users with some basic background who love to customize will be especially delighted.

    Was this review helpful? Yes  NoThank you for your feedback.   Report this reviewThank you, this review has been flagged.

  • Anonymous

    Posted July 8, 2006

    VERY VERY HIGHLY RECOMMENDED!!

    Do you love to tinker and optimize? If you do, then this book is for you! Author Ted Wallingford, has done an outstanding job of writing a book that contains only a small subset of VoIP knowledge but, enough to serve as an introduction to the world of VoIP and teach you how to use it to save money, be more productive, or just impress your friends. Wallingford, begins by introducing you to some Internet based VoIP phone service providers who can help you replace your traditional phone line with a cost-saving, feature-rich VoIP line. Then, the author shows you how to customize and maximize productivity-enhancing telephony applications. He also introduces you to Skype and Skyping. Next, the author shows you how to install, configure, and hack Asterisk, an open source PBX. Then, he continues by showing you how to add hardware hacks to your VoIP setup--and how to customize them. The author also explains how you can monitor VoIP and troubleshoot it using traditional admin tools. Finally, the author shows you how to use hard-core voice. In this most excellent practical guide, the author provides dozens of hands-on projects for building a VoIP network. More importantly, he shows you how to tweak and customize hardware and software to get the job done.

    Was this review helpful? Yes  NoThank you for your feedback.   Report this reviewThank you, this review has been flagged.
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