OpenSIPS & Kamailio Development – High-Performance SIP Proxy Solutions

OpenSIPS and Kamailio are the two most powerful open-source SIP proxy platforms designed for building scalable VoIP infrastructures. They act as SIP traffic controllers, enabling load balancing, routing, security, and traffic optimization across VoIP networks.

At Rirabh, we specialize in custom OpenSIPS & Kamailio development, helping telecom operators, VoIP providers, and enterprises deploy carrier-grade SIP solutions that handle millions of calls per day.

Build scalable, secure, and carrier-grade SIP platforms tailored to your VoIP business with OpenSIPS & Kamailio experts.

OpenSIPS Softswicth Development

High-performance SIP proxy & registrar
Load balancing & traffic distribution
Least Cost Routing (LCR)
Real-time billing & CDR integration
Presence & instant messaging modules
Security & anti-fraud systems

Kamailio Custom Development

SIP proxy & registrar server
NAT traversal solutions
Carrier interconnect & peering support
SIP trunking & scalability
TLS/SRTP for secure communications
Custom modules development

Custom Solutions & Integrations

Integration with FreeSWITCH, Asterisk, and RTP proxy
SIP WebRTC gateway for browser calling
Custom APIs for billing/CRM/OSS/BSS
Multi-tenant hosted VoIP platforms
Monitoring & real-time traffic analytics

Key Benefits of OpenSIPS & Kamailio Solutions

Performance & Scalability

Handle millions of simultaneous calls with optimized SIP signaling.

Security

Strong SIP security features: TLS, SRTP, SIP authentication, fraud detection.

Flexibility

Support for multiple VoIP business models (wholesale, retail, enterprise).

High Availability

Clustered deployments with redundancy & failover support.

Customization

Modular architecture – add/remove features as your business grows.

Cost-Effective

Open-source platform → lower licensing costs compared to proprietary systems.

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Ready to become a Rirabh partner?

Your business is about to grow.

Joining the Rirabh reseller network puts your company on the path to new opportunities and stronger revenue. As a reseller, you can build your brand, serve your clients better, and expand your business with Rirabh advanced communication solutions.

We work for you—providing the technology, tools, and resources you need to succeed. On average, Rirabh resellers see consistent business growth, with top partners achieving impressive annual expansion by leveraging our scalable and future-ready solutions.

Why Choose Us for OpenSIPS / Kamailio Development?

Expertise in both OpenSIPS & Kamailio core development
End-to-end consulting, development, deployment & support
Strong integration with FreeSWITCH, Asterisk, RTPproxy, RTPengine
White-label & multi-tenant platform development
24/7 technical support & maintenance services

Use Cases – Who Needs OpenSIPS & Kamailio?

Wholesale VoIP Carriers – Efficient SIP traffic routing & LCR.
Retail VoIP Providers – SIP trunking & advanced user features.
Telecom Operators & ISPs – High-capacity SIP proxy for networks.
Call Centers & Enterprises – Secure internal VoIP infrastructure.
ITSPs & Resellers – Multi-tenant hosted VoIP platforms.

OpenSIPS & Kamailio Development Custom SIP Server Solutions