C / C++ with SIP or VoIP Developer

Activities : Design and development for VoIP service in ONTs / Home devices. Support and maintenance Deliverables : Feature development Bug fixing New feature Unit testing Functional testing. 2. Key Competencies & Experience : Experience : 4+ years Strong development & debugging understanding on C / C++ in multi process / threaded environment with following skills Strong understanding on "VoIP(SIP / H248), T38 , SIP over TCP, VoLTE, voice quality / QoS, DSP ,Voice codecs, RTP / RTCP, RFC2833" and Management protocols : OMCI, TR098 / TR104. Good Understanding RJ11, Z-interface specs. Well versed with debugging tools like SIPP, Wireshark, Valgrid, SIPP Tool, Valgrind Memory Profiling Tool, GDB. understanding different SoC Architecture including 32 bit, 64bit and respective tool chains and able to collaborate with different Vendors to make the solution up and running. strong understanding on Linux , IPC techniques, user space and kernel space deep understanding and good understanding on network architecture is preferred Understanding of IPV4 / IPV6 addressing and TCP / IP and basic understanding of L2 / L3 routing. Working on GPON technologies is added advantage. Telecom SIP Testing VoIP VoLTE VoNR