? 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, troubleshooting proc

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