? 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 availabili

📌 Walk-in Interview – VoIP Engineer (India)
🏢 StarTelelogic
📍 India