About The Role

We are looking for an experienced VoIP Developer to design, develop, and maintain enterprise communication systems. You will work with Kamailio, OpenSIPS, Freeswitch, and Asterisk to build scalable VoIP solutions.

Skills Required

Hands-on experience with Kamailio, OpenSIPS, Freeswitch, Asterisk
Knowledge of IMS & Diameter
Proficiency in C / C++ programming
Strong understanding of TCP/IP, LAN/WAN, VLAN/L3 VPNs
Good knowledge of SIP/SDP, RTP/SRTP, TLS protocols
Experience with MySQL / MongoDB
Understanding of Enterprise PBX features
Problem-solving and debugging skills
Good written and verbal communication

Nice-to-Have

Building softPBX, Voicemail, ACD, IVRS applications
Experience with Python, PHP, Java, JavaScript
Linux administration and command-line skills
Knowledge of WebRTC, firewall, security
Familiarity with tools like cmake and git

What We Offer

Remote / adaptable work options
Opportunity to work on large-scale VoIP systems
Collaborative environment with skilled peers

Skills:- C++, Kamailio, C, OpenSIPS, FreeSWITCH, Asterisk, IMS, DIAMETER and Voice Over IP (VoIP)

📌 VoIP Developer (India)
🏢 Ecosmob Technologies
📍 India