The Seo Byte - Telephony Engineer - FreeSWITCH/VoIP in Gurgaon, भारत

Roles & Responsibilities:We are looking for a FreeSWITCH Implementation Engineer who will be responsible for designing, deploying, configuring, integrating, and maintaining FreeSWITCH-based VoIP platforms. The role involves working closely with SIP, RTP, WebRTC, IVR, conferencing, call routing, and external integrations in a production https://jobeax.com/link/EG3PG5FSTAqKZnRA Responsibilities:FreeSWITCH Core Responsibilities:- Install, configure, and maintain FreeSWITCH in production environments from the scratch.- Design and implement call flows, dialplans, IVRs, conferencing, and call routing with complete ownership.- Configure SIP profiles (internal/external), gateways, trunks, and extensions.- Implement multi-tenant and high-availability FreeSWITCH https://jobeax.com/link/e5ax7w08YVoKuLo2, RTP & Networking:- Strong understanding of SIP signaling, RTP media, and SDP negotiation.- Troubleshoot one-way audio, no-audio, call drops, registration failures.- Configure NAT traversal, firewall rules, and RTP port ranges.- Analyze SIP logs and traces (siptrace, sngrep, tcpdump).Dialplan & Scripting:- Develop dialplans using XML and Lua / JavaScript / Python.- Implement logic for call queues, time-based routing, skill-based routing, and failover/fallback https://jobeax.com/link/Goy3bpNUKcpnPBtb & APIs:- Integrate FreeSWITCH with CRM/ERP systems, billing platforms, AI voice bots (ASR/TTS), and external WebSocket or REST services.- Use Event Socket Library (ESL) for inbound/outbound real-time call control and https://jobeax.com/link/Z5qXKkLL5pNPHTEi & Media:- Configure WebRTC support (DTLS-SRTP, ICE, OPUS), mod_verto, and SIP over WSS.- Implement browser-based calling https://jobeax.com/link/OHnY2hfRncDoirCG & Debugging:- Monitor system performance, call quality, logs, and CDRs.- Optimize codec usage and RTP performance.- Handle live production incidents and https://jobeax.com/link/4wsLrev4NN5h3PdF & Operations:- Deploy FreeSWITCH on Linux (CentOS / Ubuntu) and cloud platforms (AWS / GCP / Azure).- Configure HA, load balancing, and scaling.- Work with DevOps teams for CI/CD, backups, and https://jobeax.com/link/OeYm9EAtl3cu8Rig Candidate:- 4+ years of experience, with at least 3+ years of hands-on experience implementing, configuring, and supporting FreeSWITCH in production.- Strong hands-on knowledge of VoIP technologies (SIP, RTP, RTCP, SDP, WebRTC).- Proficiency in Linux administration, SQL (MySQL/PostgreSQL), and debugging tools (fs_cli, sngrep, tcpdump).- Immediate joiners or those available within 15 days are highly preferred. (ref:hirist.tech)