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Voip Engineer

Technostacks

2 - 5 years

Ahmedabad

Posted: 17/12/2025

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Job Description

Job Title: VoIP Developer (5+ Years Experience)

We are looking for an experienced VoIP Developer with strong expertise in SIP-based communication systems and IMS architecture.

Key Responsibilities:

  • Develop and maintain VoIP applications and SIP-based solutions
  • Work with Asterisk / FreeSWITCH / Kamailio / OpenSIPS
  • Handle call flows, SIP signaling, Diameter protocol, and system integrations
  • Troubleshoot call quality, routing, and network issues
  • Build APIs and integrations with PBX, CRM, and external systems
  • Optimize system performance, SIP trunks, and routing logic

Required Skills:

  • 5+ years of VoIP development experience
  • Strong in C programming , SIP , Kamailio , Diameter , Redis
  • Good understanding of IMS architecture
  • Experience with RTP, WebRTC, and real-time communication
  • Linux administration and networking fundamentals
  • Knowledge of REST APIs and databases (MySQL/PostgreSQL)

Good to Have:

  • WebRTC development
  • Docker/Kubernetes, AWS/GCP
  • Tools like Sipp, Wireshark, Homer

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