I'm a professional in telecommunication systems, I am developer software in C, C ++, scripts, also in web in Javascript, PHP, HTML5. I work with many types of computer networks and telephone networks: PBX - analogue - digital - IP; SIP Gateways, Register Server, Proxy, Dialers, LAN, WAN, WLAN, Embedded Systems - Development boards with arm and intel: RPI, Beaglebone, MinnowBoard, cross compile, etc...
I am a supporter and developer of some free software projects and GNU/Linux.
I use a variety of Linux distributions I like GNU/Linux Debian and its derivatives, CentOS and others AT&T operating systems and UNIX.
It also has security expertise networks and servers.
I await your contact.
Thank you.