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miercuri 30 iulie 2014


#1 OpenSIPS

miercuri 30 iulie 2014, 14:47


My name is Victor Ciurel and this summer I will be working on OpenSIPS. More precisely, I will implement a module that will allow OpenSIPS to communicate with SMPP(Short Message Peer-to-Peer) servers.

OpenSIPS is an Open Source SIP proxy/server for voice, viceo, IM, presence and any other SIP extensions. The module I will implement will allow a SIP device and a SMPP device to communicate through messages.

With the help of my mentor, Razvan Crainea, I established the flows for the communication from SIP to SMPP and vice versa. We also chose and tested a SIP client software (linphone [1]) and a SMPP library (C Open SMPP v3.4 [2]), which I will use in order to represent the SMPP messages.

Razvan sugested that I get familiar with module implementation and the structures used in OpenSIPS by watching a webinar [3] and implementing my very own module, that printed parameters given in the opensips configuration file. Having finished this print module, I started implementing the actual module that will be used for SIP/SMPP communication. I am working now on the SMPP -> SIP translation. So far, I have implemented a bogus SMPP server and connected my OpenSIPS module to it.

In the following week I will finish documenting on the SIP and SMPP structure and work on the SMPP -> SIP translation.

See you next time.


marţi 29 iulie 2014

Marius - Adrian Popa

Firebird 2.5.2 stable for all Ubuntu releases is uploaded into ppa

marţi 29 iulie 2014, 19:26

I recommend Ubuntu 12.04 LTS or 14.04 LTS other are builded OK but with some modifications to the Debian scriptsI give some examples of modifications for Lucid and Hardy in thedebian scripts area it will be EOL

Marius - Adrian Popa

#node.js and #firebird installing on Amazon EC2 instance

marţi 29 iulie 2014, 17:16

Here are the notes on Installing node.js module for firebird I assume Firebird was installed from source or from tar.gz and in a linux instance (mine is the free one) wget tar -zxvf node-v0.10.*.tar.gz cd node-v0.10.* ./configure make ; sudo make install Next is time to install the firebird module (Firebird was installed from source in /

luni 28 iulie 2014

Adrian Spinei

Rezumat Twitter 28-07-2014

luni 28 iulie 2014, 14:00


duminică 27 iulie 2014


CMU Sphinx #1

duminică 27 iulie 2014, 23:23


My name is Georgiana Chelu and this summer I am working at CMU Sphinx.

CMU Sphinx is a great open source toolkit that uses speech recognition. The idea of controlling a device with your own voice is pretty amazing! I was very excited to find out that I will work on this project.

The process behind voice recognition is quite complex and you need time to get familiar with lots of new concept. In the first two weeks we had to read the documentation and understand the code, little by little.

An important step before starting to code is to create a setup, where you can test all your file modifications. You will write code easier and prevent most of the bugs. I’ve created a setup that gets us accuracy numbers, the adaptation matrix and other important information. We work with a lot of data, especially sound records. So, I wrote it some bash scripts that make the setup easier to use.

Now, I am ready to move to the next step: writing the actual code of the new feature!

Dragoş Mănac

Better than classifying economics as mainstream/orthodox...

duminică 27 iulie 2014, 09:22


Better than classifying economics as mainstream/orthodox (“normal”) or non-mainstream/heterodox (“abnormal”), just see the family tree of economics schools.

Needles to say: the Austrian School is the one I highly recommend.

vineri 25 iulie 2014

Dragoş Mănac

Masterful piece by Professor Terence Kealey: The Myth of Science...

vineri 25 iulie 2014, 10:15

Masterful piece by Professor Terence Kealey: The Myth of Science as a Public Good

Non-surprisingly for just a few people: government funding for science goes against science progress!

But this is just the first half an hour of the lecture, the other hour is an amazing session of Q&A.

You can also read the latest book he wrote on the subject: Sex, science and profits

joi 24 iulie 2014

Dragoş Mănac

Learning a few things about how to make an argument.  The sketch...

joi 24 iulie 2014, 12:05

Learning a few things about how to make an argument. 

The sketch is called Argument Clinic, from Monty Python’s The Flying Circus.

miercuri 23 iulie 2014

Dragoş Mănac

Defending the Undefendable

miercuri 23 iulie 2014, 20:35


Defending the Undefendable:

Do you like counter-intuitive facts? What if I was to tell you that the drug pusher, the dishonest cop, the profiteer or the employer of child labour perform useful, productive services? More than that, they improve the morality of the free market and do more good than thousands of emotional “anti-you-name-it” activists.

How can this be right? It sounds completely insane!  

Read: Defending the Undefendable - a very sobering and entertaining classic book by Austrian Economist Walter Block. Download the full PDF or ePub for free.

No time to read? Just listen to Defending the Undefendable Audio Book. Try a single chapter, to see if you get hooked on the reasoning process behind each defense case.

I’m sure you will love this book.  I am closing with a quote by FA Hayek, another popular economist many never head of, but which greatly influenced the modern world:

"A real understanding of economics demands that one disabuses oneself of many dear prejudices and illusions. Popular fallacies in economics frequently express themselves in unfounded prejudices against other occupations, and in showing the falsity of these stereotypes Block is doing a real service, although he will not make himself more popular with the majority."

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