NextGenSwitch is a programmable omnichannel communications platform for AI call center software, cloud PBX operations, AI message automation, voice and chat API workflows, contact center teams, and campaign automation.
NextGenSwitch helps businesses, BPOs, telecom providers, SaaS teams, and service providers operate voice and messaging workflows from one platform.
| Capability | What it supports |
|---|---|
| Virtual PBX | Extensions, call routing, queues, ring groups, recordings, and multi-tenant operation |
| Contact center | Inbound and outbound workflows, agent tools, analytics, and operational controls |
| AI IVR and voice bots | Intent-based conversations using external LLM, speech-to-text, and text-to-speech providers |
| Campaigns and surveys | Broadcast calls, automated outbound engagement, feedback collection, pacing, and retry workflows |
| AI message automation | Automated SMS, WhatsApp, and Facebook Messenger workflows with live-agent handoff |
| Programmable Voice API | XML voice verbs, API-driven call control, WebSocket streaming, speech, and DTMF input |
| White-label deployments | Multi-tenant communications services for providers and platform operators |
Build against the NextGenSwitch Programmable Voice API with official, MIT-licensed SDKs:
| Language | SDK | Highlights |
|---|---|---|
| PHP 8.1+ | nextgenswitch-php | Call control, Voice XML, recordings, streaming, and typed webhook models |
| Python 3.9+ | nextgenswitch-python | Sync and async clients, Voice XML, callback parsing, and typed errors |
| Node.js 18+ | nextgenswitch-nodejs | TypeScript-first ESM/CommonJS package, call control, Voice XML, and webhook helpers |
Visit the Developer Hub for SDK comparison and the first-call quickstart. Check each SDK README for its current installation channel.
- Virtual PBX and Call Center
- AI-driven IVR
- Call Campaign, Broadcast and Survey
- Virtual Voice AI Assistant
- AI Messaging Automation
- White-Label Multi-Tenant Contact Center
- Automated Voice Calling
- Contact Center
- AI Voice Agents
- Programmable Voice API Integration
- Custom Voice Applications
Choose a supported deployment route, review infrastructure requirements, and validate the platform in a non-production environment before rollout.
- Read INSTALLATION.md
- Follow the official installation documentation
- Deploy from the DigitalOcean Marketplace
- Apply for a free pilot instance
- Contact NextGenSwitch for assisted, on-premises, cloud, or provider deployments
- Documentation
- Programmable Voice API documentation
- Features
- Use cases
- Plans and pricing
- Live demo
- Blog
Production results depend on the selected infrastructure, SIP carrier, PSTN connectivity, network design, capacity planning, security controls, monitoring, backups, and third-party AI providers. Confirm requirements and failure behavior before carrying customer traffic.
Do not publish SIP credentials, API keys, phone lists, call recordings, customer data, or other sensitive information in GitHub issues.
- Website: nextgenswitch.com
- Contact: nextgenswitch.com/contact
- Email: contact@nextgenswitch.com
- Company: Infosoftbd Solutions, Bangladesh
The former repository contents are available on archive/source-code-2026-07-18. That branch is retained as an old snapshot and is not the current installation channel.