I am new in freelancer but worked with similar projects, and have following experience.
Experience in C, C++. (10yrs)
Linux /Unix Driver Development and C Programming. (3yrs)
Experience in ARM programming , SoC projects. (3yrs)
Porting games to Mac OS , Linux (1yrs)
Porting kernel driver to BeOs (1yrs)
Middle ware driver for 7 different Voice card vendor includes Dialogic , NMS , Donjin , Pika , Synway, Sangoma,Ai-logics,etc (6yrs)
Experience in developing Voip protocol stacks and interfaces like SIP , H323 ,IAX Skype (4yrs)
Good experience in research, study new topology and Debugging.
Experience in reverse engineering proprietary protocol stacks.
Programming Languages : C, C++
Communication protocol : L2, L3, USB, UART, SPI, Bluetooth.
Programming Basics : Java, Shell Script.
Internet Technologies : HTTP,HTTPS,SMTP,POP3,FTP
Telecom Technologies : PSTN, E1,T1,SS7,PRI,BRI,GSM,CDMA.
Networking Technologies : VLAN,VPN ,MPLS.
Internet Security Tools : BT, NMAP, Wire-Shark.
Linux OS : Ubuntu , BT, Cent OS, ClearOS, DSL.
Windows OS : XP/2003 Server/7/2008 Server.
Other OS : Mac Os, Zeta(BeOs), Android