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Markus Lindenberg
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RECOMMEND YOU DO NOT USE SPECIAL CHARACTERS IN THE DATA YOU ARE SUBMITTING!

Such as ~,`,!,@,#,$,%,^,&,*,+,=,?,'," as they are interpreted by SQL and may cause you errors!



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Great short video about last weekend's freifunk.net community meeting at the famous Linuxhotel, Essen, Germany. 

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So who else has a fan video about the customer projects he/she's working on? :)  #Asterisk

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GopherLua: VM and compiler for Lua in Go

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Fuck yeah. This is useful.

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Here's a new interview with yours truly in +Linux Voice. The online version is only the first part of it, the full interview is in the print magazine.

Go, and buy it, it's good, and the Linux Voice guys are certainly the good guys, and truly believe in Free Software, so please support them!

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Security Advisory for Snom phones.
8) is pretty interesting, the phone will contact a snom provisioning server/redirector without encryption.
This means that any Snom phone that is plugged into a network with internet access can easily be exploited by a MITM right after booting up. After that it can be directed to the real provisioning server so the user won't even notice that a bug has been installed in between. 

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Are any other VoIP people attending 31c3? If you want to grab a beer/mate and discuss the state of open source VoIP, give me a ping.
There are two talks on Saturday I'll make sure not to miss disclosing the ability to spy on any 2G/3G communication using SS7, both are recorded and streamed live.

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I finally got the lollipop ota update on the nexus 7. I read somewhere that lollipop now supports USB audio devices, and just checked with a soundblaster USB headphone amp and OTG cable, which works great.
I didn't try sound input yet, but if that works too it will definitely have some value for high quality real-time communication. 
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This is how you provide voice communication to 9000 conference visitors. The Chaos Communication Concress' Phone Operation Center runs own DECT and GSM networks as well as free PSTN gateways and IP trunks to projects at the venue  during the event and allows people to preregister their extension beforehand. 
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