• Install, configure, and maintain Asterisk PBX systems
• Develop and troubleshoot IVR, dial plans, queues, and call routing
• Monitor and support VoIP infrastructure and customer systems
• Diagnose SIP, RTP, and network-related issues
• Configure SIP trunks, extensions, gateways, and softphones
• Work on Linux server administration and troubleshooting
• Support and maintain FreeSWITCH, FreePBX, Issabel, and Vicidial environments
• Perform log analysis and debugging using Asterisk CLI
• Integrate Asterisk with APIs, databases, and third-party applications
• Maintain documentation and system configurations
• Collaborate with development and support teams for issue resolution

Required Skills

• Basic understanding of Asterisk, VoIP, and SIP
• Familiarity with Linux (Ubuntu/CentOS)
• Knowledge of TCP/IP networking concept
• Basic knowledge of MySQL...