SIP Developer

6 hours ago


Bengaluru, Karnataka, India Mobile Programming Full time ₹ 6,00,000 - ₹ 12,00,000 per year

Role- SIP Developer

Location- Remote

Mandatory Skills & Responsibilities:

  • Strong experience with SIP protocol (INVITE, ACK, BYE, REGISTER, REFER, OPTIONS, etc.)
  • Practical experience with SIPREC for recording VoIP calls.
  • Solid development skills in JavaScript ).
  • Experience with SIP Servers (FreeSWITCH, Asterisk, Kamailio, OpenSIPS).
  • Knowledge of WebRTC, RTP streams, VoIP media handling.
  • Building and consuming RESTful APIs.
  • Strong understanding of networking basics (UDP, TCP, NAT traversal, STUN/TURN).
  • Ability to troubleshoot SIP signaling and media flow issues.
  • Experience with Media Servers (Janus, Kurento, Mediasoup).
  • Hands-on with Cloud Telephony Platforms (Twilio, Genesys Cloud, Amazon Chime SDK).
  • Knowledge of SBCs, SIP trunking, VoIP security (TLS, SRTP).
  • Experience with Docker, Kubernetes.


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