VoIPInfrastructure
Call Center Backend System
Centralized contact center system with zero downtime.
Call Center Backend System
Architecture, APIs, and systems design under active deployment.
Year
2022
Client
Graana.com
Role
Full Stack Developer · VoIP Engineer
Status
Proprietary
Overview
The brief
Built a centralized contact centre system with zero downtime using FreePBX, Asterisk, Node.js, and PHP with custom routing rules to handle massive concurrent call loads.
The Challenge
High-volume inbound and outbound real estate operations require fail-safe telecommunication setups. Standard VoIP routers struggled with scale and suffered frequent drops.
Features
What we shipped
- 01Asterisk and FreePBX custom routing engine
- 02Dynamic failover queues and agent trunking rules
- 03Node.js tracking services with real-time CDR logs
Tech Stack
FreePBXAsteriskNode.jsPHP
Impact & Performance
100.0%
System Uptime
300+
Concurrent Calls
Zero Downtime
Setup Time
Next
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