With 20+ years in enterprise software and VoIP telephony, I specialize in building robust, secure Asterisk PBX solutions for businesses, call centers, banking, and government projects.
Services include:
- Full Asterisk installation & configuration (on Linux/CentOS/Ubuntu, FreePBX, Issabel, or pure Asterisk)
- Custom dialplans, IVR (Interactive Voice Response), auto-attendant, queues, ring groups, and call routing
- Advanced features: Call recording, monitoring, voicemail-to-email, conferencing, SIP trunking (Twilio, Telnyx, etc.), WebRTC support
- Integration with external systems: .NET/C# applications, ERPNext (CRM/HR modules), databases (SQL Server/MySQL), custom APIs, or legacy telephony
- Security hardening: Firewall rules, fail2ban, TLS/SRTP encryption, anti-fraud measures
- Call center setups: Predictive/auto dialer, agent dashboards, integration with CRM/ERP for click-to-call or pop-up screens
- Troubleshooting & optimization: Fix issues like echo, one-way audio, high latency, or performance bottlenecks
- Ongoing support, migration from old PBX (e.g., 3CX to Asterisk), or upgrades to latest Asterisk versions
Proven experience:
- Developed IVR systems for telebanking and customer service
- Integrated VoIP with national banking & enterprise platforms
- Built real-time telephony solutions with high availability & audit logging
Perfect for: Call centers, businesses needing custom VoIP, banks/finance, healthcare clinics, or any organization requiring reliable telephony integration.
Deliverables:
- Configured & tested Asterisk/FreePBX server
- Full documentation (dialplan configs, setup guide)
- Secure deployment on your VPS/server
- 1-2 weeks support post-delivery
Let's discuss your requirements – I can provide a custom quote based on scope (basic setup vs. full custom integration).
