
SIP Developer
6 hours ago
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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