Good understanding of TCP/IP protocol stack and practical knowledge of LAN / WAN
Experience in building any of softPBX, Voicemail, ACD, IVRS these applications
Very good knowledge on SIP / SDP protocol / RTP / SRTP / TLS protocols
Experience in OpenSIPS or Kamailio
Experience in Freeswitch, Asterisk
Experience in MySQL, MongoDB
Knowledge of Linux / server administration
Experience with C / C++ programming language
Experience with programming languages like Python, PHP, Javascript, Java etc
Linux and embedded Linux
Inter-process communication, API design, message queues
Skilled in build tools like make, cmake, git, shell scripting
Knowledge of WebRTC
Experience in Linux Firewall, Security, containerisation (docker, podman) and virtualisation
Experience in Linux and Linux commands line tools
Standard features of Enterprise Communication Servers (PBXs)
Problem Troubleshooting and debugging techniques
Able to Assign Tasks to team members and get it done within given timeline and best quality
Review work of resources
Project source code management
Requirements clarification and clear understanding
Analysis and design
Project planning and execution
Guidance, training and mentoring of resources within team
Good in Written and verbal communication

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VOIP TL