My target research area is Open Source VoIP systems, mainly based on Asterisk.
I have expertise in ViciDIAL, FreePBX, A2Billing systems, VoIP distros like
TrixBOX, Elastix, AstLinux. In 5 years I have developed systems like pre-paid
systems, callback, outbound dialers, contributed number of patches to Asterisk
project. I have experience in SQL, Ajax, Python. Interested in deep studying
Ruby(Adhearsion), Python, FreeSWITCH, Kamailio.VoIP protocols: SIP, MRCP, ISDN
BRI, E1 (PRI/SS7/R2), IAX2, RTSP, RTP, RTCP