? Walk-in Interview – Vo IP Engineer About startelelogic startelelogic is an AI-powered Omnichannel Customer Experience (CX) platform that helps businesses deliver seamless and intelligent interactions across voice, chat, email, Whats App, 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 Vo IP Engineer with 1+ year of hands-on experience in Vo IP and SIP technologies to join our telecom engineering team.

The ideal candidate should have practical knowledge of SIP, Vo IP call flows, Linux, Free SWITCH, and/or Kamailio , along with basic programming and scripting skills. The candidate will work on developing, configuring, troubleshooting, and maintaining reliable, carrier-grade Vo IP systems.

Key Responsibilities

Configure, troubleshoot, and maintain Free SWITCH and Kamailio platforms. Understand and troubleshoot SIP signaling and Vo IP call flows . Analyze SIP messages such as INVITE, ACK, BYE, CANCEL, REGISTER, OPTIONS, 200 OK, 4xx, and 5xx responses. Troubleshoot common Vo IP 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 Vo IP routing . Monitor and troubleshoot production Vo IP services. Use tools such as sngrep, tcpdump, Wireshark, netstat/ss , and other Linux utilities for debugging. Work with Free SWITCH 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 new Vo IP features and telecom integrations. Monitor system performance and help maintain service availability. Document configurations, troubleshooting procedures, and technical changes.

Required

Skills

1+ year of hands-on experience in Vo IP/SIP engineering. Basic to intermediate understanding of Vo IP and SIP . Hands-on experience with Free SWITCH and/or Kamailio . Good understanding of Linux . Ability to read and troubleshoot SIP traces and call flows .

Understanding of TCP/IP, UDP, DNS, NAT, and basic networking concepts . Basic knowledge of RTP and media flow . Basic programming or scripting knowledge in Python, Lua, Perl, Bash, or Golang . Basic knowledge of C/C++ is an advantage.

Strong troubleshooting, analytical, and problem-solving skills. Ability to work effectively in a production telecom environment. Good to Have

Experience with Open SIPS or other SIP proxy technologies. Knowledge of RTP, SRTP, and media handling . Familiarity with SIP over UDP, TCP, and TLS . Knowledge of codecs such as G.711, G.729, Opus, and GSM . Exposure to REST APIs and telecom integrations . Basic understanding of databases such as My SQL, Postgre SQL, or Redis .



Experience with Git and Linux-based development environments . Exposure to Docker, Kubernetes, or cloud-based Vo IP deployments is a plus. Education

B. Tech/B. E. in Computer Science, Electronics, Electronics & Communication, or Telecommunications is required. BCA, MCA, diploma courses, or other non-engineering qualifications will not be considered. Candidates should have a robust academic foundation in computer networks, telecommunications, Linux, and Vo IP/SIP technologies . Fresh B. Tech/B. E. graduates with strong Vo IP/SIP fundamentals and relevant practical projects may also be considered. ? Walk-in Interview Details

Date: September 5, 2026, Saturday

Time: 11:00 AM – 3:00 PM

Position: Vo IP Engineer

Experience: 1+ Year

Open Positions: 5

Employment Type: Full-Time

Work Mode: On-site

? Interview Venue

First Floor, NX ONE, T1, 117 & 118

Greater Noida West, Ghaziabad

Ithaira, Uttar Pradesh – 201318

What You Will Work On

As a Vo IP Engineer at startelelogic , you will work on real-world telecom and carrier-grade communication systems , including Vo IP infrastructure, SIP routing, Free SWITCH, Kamailio, SIP trunks, carrier connectivity, call routing, troubleshooting, and AI-powered customer experience platforms .

This role provides an opportunity to gain hands-on experience across Vo IP, CCaa S, CPaa S, AI-powered communications, and cloud communication technologies while working with a growing telecom technology company.

⚠️ Important

Please bring an updated copy of your resume/CV and be prepared for a technical discussion/interview focused on Vo IP, SIP, Linux, Free SWITCH, Kamailio, and networking fundamentals .

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