I have 25 years programming in c++ , i have experience working with TCP-IP, Multithreading, Win32, Computer Telephony including SIP interfaces, SQL, WEB Services, COM+ interfaces, Linux, QT.

I developed 3 comercial products a telephone call acount , a call center ( automatic dialer, agent manager, IVR, reports), and a digital signage system.

I have selled over 20,000 licences in 25 years.