Telephony/Software Services Engineering:
Expert skill/knowledge in Asterisk PBX, Freeswitch, A2Billing, Kamailio, Elastix and Kazoo
Expert skill/knowledge in SIPml5, Websockets and RESTFUL systems
Expert skill/knowledge in MySql, PHP, Python, C++, Ruby, Erlang
Expert skill/knowledge in Linux OS
Expert skill/knowledge in ffmpeg and sox
Engineered IP/SIP based Feature server including but not limited to real-time billing, Virtual PBX , Virtual Conference Systems and Voice/Video Mail.
Integrated Nortel and Avaya PBX's with SIP based telephony system.
Design/Implemented Video telephony system based on national number plan.
Feel free to contact me at any time.