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Fusion-PBX Development Services for VoIP Providers & Enterprises

Advanced, reliable and secure VoIP communication for businesses.

Fusion-pbx Development
Freeswitch

FusionPBX Development Services – Advanced Multi-Tenant VoIP & PBX Solutions

At Rirabh, we deliver custom FusionPBX development and integration services to empower VoIP providers, enterprises, and telecom resellers with reliable, scalable, and feature-rich PBX platforms.

FusionPBX, built on top of FreeSWITCH, is an open-source, web-based PBX system that supports multi-tenant environments, making it ideal for hosted PBX, call centers, and VoIP service providers. We specialize in extending, customizing, and deploying FusionPBX to create end-to-end telephony solutions that are secure, flexible, and aligned with your business workflow.

Industries We Serve

  • Hosted PBX Providers
  • VoIP Resellers & ITSPs
  • Call Centers & BPOs
  • Enterprises & Corporate Offices
  • Internet Service Providers (ISPs)
  • Managed Service Providers (MSPs)

We Provide Advanced Customization Capabilities

Our Customization Options Include:

  • Multi-language IVR systems
  • Auto-provisioning for IP phones (Yealink, Grandstream, Cisco)
  • Real-time CDR and analytics dashboards
  • Custom user roles and permission management
  • Automated backup and failover solutions
  • Centralized monitoring and alert systems

Integration Possibilities

  • VoIP Billing Systems: ASTPP, Magnus Billing, and custom billing platforms
  • CRM & ERP Tools: Zoho, HubSpot, Odoo, and Salesforce
  • SMS Gateways: Twilio, Nexmo, and local SMS APIs
  • Payment Gateways: PayPal, Stripe, Razorpay, Fllutterwave, Paystack, Authorize.net, Skrill, MTN and more
  • WebRTC Integration: Enable browser-based calling and video communication directly from your web portals

Our Fusion-PBX Development Expertise

Whether you need a custom PBX, Class 4/5 Softswitch, CPaaS platform, or WebRTC-enabled collaboration tool, we help you harness the power of FreeSWITCH and Asterisk to achieve your business goals.

Class 5 Softswitch Custom PBX Development

  • Feature-rich IP PBX systems with extensions, voicemail, IVR, call forwarding, and conferencing.
  • Multi-tenant PBX for VoIP providers.
  • Web & mobile access for remote teams.

Class 5 Softswitch Class 4 & Class 5 Softswitch

  • Class 4: High-capacity wholesale VoIP routing, LCR, codec transcoding.
  • Class 5: Retail VoIP, calling cards, residential/business telephony.
  • Advanced billing & monitoring integration.

Class 5 Softswitch SIP Trunking & Interconnect

  • Carrier-grade SIP trunk integration.
  • Secure & optimized interconnects with Tier 1 carriers.
  • Traffic routing, load balancing & failover solutions.

Class 5 Softswitch IVR & Call Center Applications

  • Intelligent IVR (multi-level, speech-enabled).
  • Real-time monitoring, reporting, and call analytics.
  • Call recording, whisper, barge-in, and supervisor dashboards.

Class 5 Softswitch WebRTC & Video Conferencing

  • Secure WebRTC integration for browser-based calling.
  • One-to-one and multi-party video conferencing platforms.
  • Screen sharing, recording, and collaboration tools.

Class 5 Softswitch API & CRM Integrations

  • Seamless integration with CRMs (Salesforce, Zoho, HubSpot).
  • REST, SOAP, and custom APIs for third-party apps.
  • CTI integrations for sales & support teams.

Class 5 Softswitch Billing & OSS/BSS Solutions

  • Prepaid & postpaid billing modules.
  • Integration with open-source billing (ASTPP, A2Billing, Magnus).
  • CDR generation, LCR, routing policies, and fraud detection.

Class 5 Softswitch Security & High Availability

  • TLS/SRTP encryption for secure communications.
  • Redundancy, load balancing, and disaster recovery setup.
  • Fraud prevention & intrusion detection mechanisms.

Class 5 Softswitch Migration & Support Services

  • Migration from legacy systems to FreeSWITCH / Asterisk.
  • System upgrades, performance tuning & clustering.
  • 24/7 managed support & monitoring.

Let’s get started - fill out the form, and our team will connect with you soon.

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Rirabh is one platform where you get assorted IT products and services for diverse needs of your business.

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+1-800-581-3963   

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NX One , T-3 , B1405, B1407 Amrapali Dream Valley, Greater Noida, UP 201318

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