Job Description
Walk-in Interview – VoIP EngineerAbout startelelogic startelelogic is an AI-powered Omnichannel Customer Experience (CX) platform that helps businesses deliver seamless and intelligent interactions across voice, chat, email, WhatsApp, social media, and more . Our platform brings together Conversational AI, Voice AI, AI Agents, automation, analytics, and human-assisted workflows to simplify customer support, sales, and engagement. We are looking for a motivated VoIP Engineer with 1+ year of hands-on experience in VoIP and SIP technologies to join our telecom engineering team. The ideal candidate should have practical knowledge of SIP, VoIP call flows, Linux, FreeSWITCH, and/or Kamailio , along with basic programming and scripting skills. The candidate will work on developing, configuring, troubleshooting, and maintaining reliable, carrier-grade VoIP systems. Key Responsibilities Configure, troubleshoot, and maintain FreeSWITCH and Kamailio platforms. Understand and troubleshoot SIP signaling and VoIP call flows . Analyze SIP messages such as INVITE, ACK, BYE, CANCEL,



REGISTER, OPTIONS, 200 OK, 4xx, and 5xx responses. Troubleshoot common VoIP issues, including: One-way or no audio Call failures SIP registration issues DTMF problems Codec negotiation issues NAT-related issues Call routing failures Work with SIP trunks, extensions, gateways, DIDs, and VoIP routing . Monitor and troubleshoot production VoIP services. Use tools such as sngrep, tcpdump, Wireshark, netstat/ss , and other Linux utilities for debugging. Work with FreeSWITCH dial plans, XML configurations, and SIP profiles . Assist with Kamailio routing and configuration . Perform SIP trunk testing, call-flow analysis, and connectivity troubleshooting. Write or modify basic scripts using Python, Lua, Perl, or Bash . Collaborate with senior engineers to implement current VoIP features and telecom integrations. Monitor system performance and help maintain service availability. Document configurations

📌 Walk-in Interview (Kurukshetra)
🏢 StarTelelogic
📍 Kurukshetra