VoIP Users Conference
ZipDX using g722 or g711 sip:200901@login.zipdx.com
ZipDX PSTN: +1 567 252 2286 iNum: +883 5100 123 94882
More: Join VUC Mailing List and stay in touch. Visit the VUC FaceBook Page
Leave a message 24/7 or SMS: (518) VUC-VOIP (882-8647)
Beginning OpenVPN 2.0.9
Posted by Zeeek/Randulo in Books on February 1st, 2010
Audio : Download file (TS-315633.mp3)
Two copies of this book to give away today
On the other hand, the complexity of classic VPN solutions, especially IPsec, gives the impression that VPN technology in general is difficult and a topic only for very experienced (network and security) specialists. OpenVPN proves that this can be different, and this book aims to document that.
LINKS
Next scheduled session in your time zone Freenode.net IRC web client, just add your pseudo and you're on #vuc VUC Google Group VUC linkedin group (business contacts)
Links mentioned in IRC Feb 5, 2010
[6:19pm] NerdUno: Here are some good OpenVPN tutorials: http://pbxinaflash.com/forum/showthread.php?t=4856 [6:21pm] steely_glint: ecrist - http://www.phonefromhere.com/vuc/ [6:31pm] ecrist: Why TCP Over TCP Is A Bad Idea: http://sites.inka.de/~bigred/devel/tcp-tcp.html [6:32pm] kfife: http://www.packtpub.com/openvpn/book [6:34pm] Zeeek: http://www.linux4afrika.de/vision.html?L=0 [6:40pm] mfeilner: http://www.linux-magazine.com/Issues/2009/99/SAFE-CALL [6:41pm] mfeilner: http://www.feilner-it.net [6:42pm] mfeilner: http://www.openvpn.eu [6:43pm] mfeilner: http://www.openvpn.eu/index.php?id=23&L=0 [7:39pm] Skibum: BTW more info on Bria 3 is available at: http://www.counterpath.com/bria.html [8:00pm] mjgraves: http://gigaset.com/chagall/provider/general/chagall223_02.bin [8:21pm] JimCifarelli: http://www.embeddedarm.com/about/resource.php?item=408
Part 2: Bria Tests and more
Audio : Download file (TS-320846.mp3)
Counterpath and Digium Do It!
Posted by Zeeek/Randulo in VoIP on January 29th, 2010
Recording posted tomorrow

We will be welcoming Bria Product Director Todd Carothers to the VUC in a second segment on Jan 29th at 1PM EST.
From this press release:
CounterPath and Digium(R) Launch Asterisk-Based Multimedia Softphone
Based on open standards, Bria for Asterisk combines Digium’s Asterisk, AsteriskNOW and Asterisk Business Edition telephony platforms with Bria Professional, CounterPath’s enterprise-class, multimedia softphone. Bria for Asterisk gives users advanced telephony features, yet can be quickly set up and configured with any Asterisk deployment.
The VUC is officially testing Bria on Windows and OS X and we hope provide valuable feedback to Counterpath during this launch.
Audio : Download file (TS-315634.mp3)
Yet another group of geeks discuss the iPad
Audio : Download file (TS-318318.mp3)
Plantronics
Posted by Zeeek/Randulo in VoIP on January 29th, 2010
Amy Huson, Director of Marketing at Plantronics, focuses on emerging trends in PC audio for the enterprise. She has over 20 years experience in sales and marketing for audio, video and telecommunications products, software and services. She was the co-founder of an audio software start up acquired by Plantronics and had previously worked in the professional audio division of Harman International, holder of over 50 brands of professional and consumer audio equipment.
Great call!
Audio : Download file (TS-306310.mp3)
Astlinux
Posted by Zeeek/Randulo in VoIP on January 22nd, 2010
Audio : Download file (TS-306309.mp3)
AstLinux is a custom Linux distribution centered around Asterisk, the Open Source PBX. Although Asterisk remains the core focus, other VoIP applications such as OpenSIPS and FreeSWITCH are also available. AstLinux has many features that make it ideal for embedded and commerical Asterisk based solutions.
On the call Friday we will discuss the newly released 0.7.0 version of AstLinux and the number of improvements over the 0.6 series of releases. 0.7.0 will be available with either Asterisk 1.4.29 or 1.6.21 (two separate download images).
Hacking VoIP: Himanshu Dwivedi
Posted by Zeeek/Randulo in Books, VoIP on January 15th, 2010
Audio : Download file (TS-300115.mp3)
Himanshu Dwivedi, author of Hacking VoIP, joins us.
In addition to attacks on network availability and authentication, administrators must contend with eavesdropping, audio injection, Caller ID spoofing, VoIP phishing, and other unique exploits. All of these security holes can result in the leakage of information and in unreliable phone calls. Hacking VoIP reviews the many possible VoIP attacks, and discusses the best defenses against them for both enterprise and home VoIP solutions. Author Himanshu Dwivedi introduces popular security assessment tools, describes the inherent vulnerabilities of common hardware and software packages, and provides the first ever VoIP security audit program. The book covers common enterprise VoIP protocols such as SIP and RTP as well as unique protocols like H.323 and IAX.
No Starch Press, publishers of Hacking VoIP, have generously given us two copies to give away to participants of the VUC.
Some of the tools mentioned in the book are on this page.
Audio : Download file (TS-313655.mp3)
Nexus, Dell Touch book and ZipDX Transcription
Posted by Zeeek/Randulo in VoIP on January 14th, 2010
Audio : Download file (TS-313655.mp3)
Ward Mundy’s Nexus experience and much, much more in the second hour of VUC from Jan 15, 2010.
Congrats to Maxim and Karl for winning copies of the book Hacking VoIP. I’m looking forward to Dan York’s new book about this subject as well, and hope he’ll join us when it comes out.
Jan 8th: iNum with Voxbone’s Tim Behrsin
Posted by Zeeek/Randulo in VoIP on January 8th, 2010
Audio : Download file (TS-306308.mp3)
Tim Behrsin heads up the iNum division at Voxbone. iNum (which stands for ‘international number’) launched in 2008 and has been busy building interconnect agreements and signing service providers over the last year. More information about iNum can be found in their blog.
Past Present and Future of VoIP
Posted by Zeeek/Randulo in VoIP on January 1st, 2010
Session 1:
Audio : Download file (TS-306531.mp3)
Andy Abramson (VoIP Watch), Tim Panton (PhoneFromHere.com), Michael Graves (Graves on SoHo VoIP), David Frankel (ZipDX.com), Ward Mundy (Nerd Vittles), Dave Michels (PinDropSoup.com), Randal Schwartz , Dave Chan and others discuss the year 2009 and VoIP and the usual digressions.
At the end of session one you can hear the New Years Greetings from listeners and participants.
Session 2:
Audio : Download file (TS-308412.mp3)
New Years Greetings for 2010
Posted by Zeeek/Randulo in VoIP on December 31st, 2009
Audio : Download file (TS-302448.mp3)
Congrats to Alex Robar, winner of the Polycom IP 335 from e4Strategies
We’ll be live on Jan 1, 2010 and you’ll hear the greetings sent to us from all over the world.
Thanks to everyone who participated from all over the world representing not one, but two species!
Kamailio, Open SER
Posted by Zeeek/Randulo in Books, VoIP on December 18th, 2009
Main event, Alex Balashov on Kamailio:
Audio : Download file (TS-300113.mp3)
Part Zero, pre-conference chat:
Audio : Download file (vuc20091218-Part0.mp3)

Guest Alex Balashov of Evariste Systems leads us down the path to enlightenment and understanding of this complex topic, including
Kamailio, the role of Asterisk, the role of SER and media gateways, etc.
- Relationship of Kamailio to OpenSER project history.
- What is Kamailio/OpenSER?
- SIP proxy
- SIP server (for certain purposes, such as registrar, presence user agent, etc.)
- Common uses of Kamailio.
- Service delivery platform engineering and Asterisk scaling using Kamailio.
- Some discussion of sip-router.org initiative.
“But, wait, that’s not all!” – Free stuff!
Two electronic copies of Building Telephony Systems with OpenSER by Flavio E. Goncalves have been offered to us by Packt Publishing.
What you will learn from this book
- An introduction to SIP
- An overview of SIP Proxies
- Compiling and installing OpenSER
- SIP Proxy default configuration
- Implementing MySQL support for authentication
- Installing the user portal (SerWEB)
- Connecting to the PSTN using a gateway
- Sending a call to voicemail
- NAT traversal using mediaproxy
- Billing with Freeradius and CDRTool
- Troubleshooting tips and tools.






