Asterisk VoIP Developer /Free Switch

1. System Development & Configuration

• Design, develop, and deploy solutions using

  Asterisk, FreePBX, Vicidial, GoAutoDial, or similar platforms

  .
• Create and maintain

  dial plan logic, IVR menus, and call routing scripts

  .
• Implement and configure

  SIP trunks, PRI lines, gateways, and SBCs

  .
• Develop custom Asterisk AGI/ARI scripts using

  Python, PHP, or Node.js

  .
• Integrate Asterisk with CRM systems, APIs, or databases (MySQL, PostgreSQL).
  

2. Dialer Management

• Configure and optimize

  predictive, progressive, and manual dialers

  for maximum efficiency.
• Manage

  campaign setup, call pacing, and list management

  for outbound processes.
• Monitor

  call success rates, agent utilization, and drop ratios

  , and tune dialer performance.
• Develop

  custom reports and dashboards

  for operations and management teams.

3. Maintenance & Troubleshooting

• Monitor real-time

  call flow, logs, and server performance

  .
• Troubleshoot

  SIP registration, codec, and NAT issues

  .
• Maintain system uptime and ensure

  redundancy, failover, and data backups

  .
• Manage

  call recordings, storage optimization, and log retention

  .

4. Security & Compliance

• Implement security measures such as

  firewall rules, IP whitelisting, and TLS/SRTP encryption

  .
• Prevent

  toll fraud

  and unauthorized access.
• Ensure compliance with

  TRAI/DND regulations and data privacy policies

  .

5. Collaboration & Support

• Work closely with

  network, CRM, and database teams

  to ensure smooth integration.
• Support

  operations and QA teams

  in diagnosing call-related issues.
• Train and guide support staff for basic troubleshooting.
  

6. Innovation & Optimization

• Research and implement

  new VoIP tools, dialer algorithms, and open-source solutions

  .
• Improve

  system scalability and performance

  to support large-scale campaigns.
• Automate repetitive tasks using

  scripts or APIs

  .

Technical Skills Required:

• Strong knowledge of

  Asterisk, Vicidial, FreePBX, and SIP protocols

  .
• Experience with

  Linux administration (CentOS/Ubuntu)

  .
• Scripting:

  Bash, Python, PHP, or Node.js

  .
• Knowledge of

  MySQL/PostgreSQL databases

  .
• Familiarity with

  networking concepts (VoIP codecs, RTP, NAT, QoS)

  .
• Experience with

  API integration and webhooks

  .