Presently I am responsible for Sangoma's VOIP/TDM/Freeswitch based product lines Having demonstrated history of working in the telecommunications industry with 6+ experience in designing, developing Telecommunication products like TDM Gateways, Soft Switch , Access Gateway, VOIP Gateways etc. Telecommunication:1) Open Source Telephony – Freeswitch an Asterisk.2) VOIP Network - Worked on development of VOIP products like TDM Gateways, Soft Switch, Media/Access Gateway and associated VoIP protocols like SIP, Megaco, SDP, RTP, SIGTRAN etc.3) SS7 - Worked on the development of various SS7 protocols like ISUP, CAP, TCAP, MAP, SCCP etc.4) Analog – Experience in developing FXO, FXS gateways.5) SIGTRAN - Overall understanding of Sigtran Architecture and associated protocols like M3UA, M2UA, SUA, IUA, SCTP etc.#Programming:Proficient in C/C++ language in multi-threaded, Linux/Unix environment. Well versed in working with Linux development environment or toolchains.Experience in front end development of Telephony applications in PHP, JS ,HTMLetc.