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Archive for May, 2009

Jim Van Meggelen on Building a solid system without the complexity

Jim Van Meggelen

Part 1:

Audio : Download file (TS-224820.mp3)

Part 2:

Audio : Download file (TS-229501.mp3)

Jim Van Meggelen is one of the author’s of O’Reilly’s Asterisk: The Future of Telephony, and an old school PBX guy. Jim is probably a bit of a masochist, which would explain why he got into the telecom business in the first place, and why he now loves Asterisk. Jim is pretty friendly, kinda like a puppy that gets your shoes dirty. His enthusiasm is infectious, but also a little bit frightening if you stand too close. Jim is a partner in Core Telecom Innovations, a recognized leader in the Asterisk Telephony Revolution, and iConverged Inc. He lives in Toronto with his wife and three kids, and loves writing, photography, speaking, improv, choral singing, and old shoes.

Jim will talk about building an embedded-like system using x86 hardware (Intel Atom Mini-ITX) and a stock Linux distro for well under $1000, including FX cards with hardware echo cancellation — this is a great way to build a system that’s almost like an embedded system, but with much less software complexity or incompatibility.

IRC TRanscript 2009-05-29

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The day the VoIP Industry Rebooted – Jeff Pulver

Calling Jeff´s Friends

Jeff Pulver sends a letter out pretty often with a 1998 ALL CAPS PLEASE FEEL FREE TO COPY THIS notice, so here are the relevant paragraphs of his latest missive:

Looking back, I believe May 21, 2009 will be known as a milestone date in the history of the VoIP Industry. For certain it was one of the most significant gatherings of the communications industry in 2009. It was a day that 100+ people from: Across the United States, Israel, Canada, France, Germany and Russia gathered to explore the state of the HD VoIP ecosystem.
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YATE: Yet Another Telephony Engine

Audio : Download file (TS-222071.mp3)

Part 2: Yate and g722

Audio : Download file (TS-227343.mp3)

Diana Cionoiu (Yate)

YATE with Diana Cionoiu, who always shoots from the hip. Yate is an open source software developed with reliability, scalability and flexibility in mind for tomorrow’s telephony networks. I guarantee an interesting call this week, but then we always have interesting calls, right? Otherwise, why would they last up to four hours like today’s call?Here is a link to Diana’s presentation at Asterisk Tag 2008. She was also at AMOOCON 2009, here’s the page for her presentation. (Almost all the presentations are now available on the AMOOCON site. Nice work, Stefan!)

Acting upon the suggestion of our group, here is the IRC transcript of the call which again lasted over 4 hours.

IRC Transcript 2009-05-22

Part 2: Yate and g722


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VoIP and Social Media AMOOCON Video

Many VoIP geeks aren’t into the social media part of the Internet, yet I find it to be an integral part of both business and pleasure today.

2009 Social Media in VoIP

Stefan has posted the video of my presentation at AMOOCON. We all look at our talks and say “OMG, was I really that bad?” I warn you in advance, and have made note of it, my talk starts way too slowly.

The idea was to compare social networking in 1976, 1996 and 2006 and then today, 2009 by evoking my ham radio days in L.A. We used a 220 Mhz repeater and walkie talkies to talk on the phone from anywhere years before the cellphone became ubiquitous. In 1986, I was using the Internet without even knowing what it was with rlogin, rpipe, etc. In 1996, I built a PHP 2 site that basically did exactly what Twitter does, an open IM with a web interface. In 2006, Twitter came along and in 2009 we have a growing number of how to keep track of friends and more importantly, make new connections in our centers of interest.

The link with VoIP is that we now are able to meet people like Dan York, Jeff Pulver and many other movers in the VoIP space through all the usual channels and hopefully through the our own VUC as well. The VUC started around March 2007 and has grown in many ways since then, thanks to Mark Spencer’s immediate support and later, Digium’s realization of the importance of the whole social transformation that is taking place on the Internet. We have had some help from the people whose logos you see at the top of the page and I’m grateful to them and of course to every participant, especially the core group of “friends”, all of whom I hope to meet some day.

r/z

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Askozia PBX with Michael Iedema

Audio : Download file (TS-219548.mp3)

Askozia PBX is an embedded PBX solution which eases system upgrades, backups and provisioning. Currently running under FreeBSD, they are in the process of porting it to linux, which is also worthy of discussion. (File under trials and tribulations!)

I met Michael at AMOOCON and invited him to join us after he told me a funny story: someone had sent him to a VUC session recording that had a laugh track sounding after a mention of Askozia (or was it FreeBSD?). Anyway, I do recall that the laughs were for our friend Rich, not Askozia. We would never make fun of an Asterisk-based project in that way. Except if Rich is behind it :-) . Just kidding, Rich!

Watch the AMOOCON video of Michael’s presentation is available here thanks to Stefan Wintermeyer’s quick work.

I apologize for mis-pronouncing Michael’s name throughout the discussion, it’s pronounced “eeee-demah”-, not “Eyedemah”.

Part 2:

Audio : Download file (TS-224860.mp3)

Part 1 MP3 DOWNLOAD LINK

Part 2 MP3 DOWNLOAD LINK

IRC Transcript 2009-05-15

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AMOOCON 2009 Video

And now, hot off the FlipVideo, here’s a taste of Rostock and AMOOCON from a human perspective:

THE DIGIUM you didn’t know existed:

Get the Flash Player to see this content.

And then there was the “C Shanties”

Get the Flash Player to see this content.

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AMOOCON Debriefing

Audio : Download file (TS-219547.mp3)

A great time was had by all, John Todd and I hash over some of the highlights. Part two: Diana and Paul from YATE.

Audio : Download file (TS-222070.mp3)

MP3 DOWNLOAD PART 1 MP3 OWNLOAD PART 2

IRC TRanscript 2009-05-08

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General Discussion at AMOOCON

Audio : Download file (amoocondiscussion.mp3)

Although I managed to herd a great group of people into the speakers’ lounge and record a wide-ranging discussion, the first part was lost due to a software glitch on the recorder. It seems that the low battery level shut things down and ditched the file. The part posted here is only the second hour (heh) but there are some interesting things to hear.

Topics covered include codecs, video, Skype for Asterisk, teleconference robots, “robot Mark”, presence, stereo codecs, and lots more. One side (Zoa, Diana Cionoiu etc) rags on the iPhone, the other side says “get used to it”.

MP3 DOWNLOAD LINK

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Olle E. Johansson: RTFM Got Me Started

Olle E. Johansson (oej) is not just another boring developer, he’s a refreshing change, a family guy, a very good presenter and he shares our enjoyment of good wine. Olle has a vision and speaks of presence and the future of VoIP.

Get the Flash Player to see this content.

This video was shot with a tool I just got so there are mistakes in the switching. I’d rather leave it rough, including the audio dropping out, because the most interesting stuff is there. I promise to do better next time.

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Interview with Nir Simionovich

Audio : Download file (NirSim.mp3)

Asterisk AGI with PHP

I had the pleasure of meeting one of the more vibrant and outgoing characters at the conference and recorded this interview about his latest PHP AGI book. I only wish I could have shared the stories, jokes and general mirth happening in the traditional German restaurant when Tim Panton, Jason Goeke, Nir and I shared a meal.

Nir’s presentation at AMOOCON was about running Asterisk under EC2 and I hope to get him to talk about this some day as he has an actual large-scale case he deployed in this way rather than just a theoretical one.

Nir’s book, Asterisk Gateway Interface 1.4 and 1.6 Programming is a great introduction to serious programming using the AGI and PHP. The book takes you through some good solid advice for truly professional programmers on how to do stable programming in the Asterisk AGI environment. This is the book you need if you are trying to do anything serious with Asterisk in PHP.

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