Class 4 Softswitch Solutions
Designed for fast growing voice businesses, Our Class 4 Softswitch Solutions helps you efficiently route large volumes of calls, reduce termination costs, and maximize margins. With support for least cost routing, quality based routing, and real time monitoring, operators gain full control over traffic performance, pricing, and profitability.

Our Tailored Class 4 Softswitch Solutions
Class 4 Softswitch Deployment
End to end setup of a carrier grade Class 4 Softswitch tailored to your business model, including cloud, on premise, or hybrid deployment with complete configuration and testing.
Carrier Interconnect Management
Seamless integration with multiple upstream and downstream carriers using SIP and H.323 protocols, enabling reliable global voice connectivity and efficient traffic handling.
Intelligent Call Routing Configuration
Implementation of least cost routing, quality based routing, and custom routing rules to optimize call quality, reduce termination costs, and improve margins.
Real Time Billing and Rating Setup
Accurate billing configuration with real time CDR generation, multi rate tables, and support for prepaid and postpaid billing to ensure transparent revenue management.
Fraud Detection and Traffic Monitoring
Advanced fraud prevention with real time traffic analysis, call pattern monitoring, alerts, and limits to protect your network from misuse and revenue leakage.
Ongoing Support and Optimization
Continuous monitoring, performance tuning, upgrades, and technical support to ensure your Class 4 Softswitch runs smoothly as your traffic and business scale.
Features of Class 4 Softswitch
Least Cost and Quality Based Routing
Automatically routes calls using least cost routing and quality based routing to balance profitability and voice quality across multiple carriers.
High Capacity Call Handling
Built to manage massive concurrent call volumes with low latency, ensuring stable performance during peak traffic periods.
Multi Carrier Interconnection
Supports seamless SIP and H.323 interconnects with multiple upstream and downstream carriers for global voice termination.
Real Time Billing and CDR Generation
Generates accurate call detail records in real time with flexible rating engines, supporting prepaid and postpaid billing models.
Advanced Fraud Prevention
Detects and blocks suspicious traffic patterns with real time monitoring, alerts, and configurable limits to prevent revenue loss.
High Availability and Failover
Designed with redundancy and automatic failover to ensure uninterrupted service and carrier grade uptime.
Trusted by Clients, Proven by Results!
Client Testimonial
Sheerbit Technologies did a fine job in developing VoIP Softphone App, I will continue to do more work with the Sheerbit Technologies team.
~Tony Camero
Great help and delivered a stable app. Sheerbit Technologies has very helpful team, created an great WebRTC application for us.
~Stephan Bastian
Great help and delivered a stable app. Sheerbit Technologies has very helpful team, created an great WebRTC application for us.
~Belldial
It was a pleasure working with Kaushik and the rest of the knowledgeable team at Sheerbit. I would highly recommend them for anyone looking for expertise in the VoIP, cellular or mobile application field.
~Steve
Exceptional work! Kaushik has demonstrated a high level of expertise in VoIp App development and Kamailio Proxy server, met all deadlines, and communicated effectively throughout the project. Their attention to detail and commitment to delivering quality results truly impressed me.
~John Bittner
Kaushik remediated the project after a slight miscommunication and delivered on his promises. He is an expert on VOIP and does a through job. Highly recommended professional!
~Hemant Gosain


Audio & Video Conference
Live Streaming
Video & Audio Calls
Event Streaming & Webinars
Data Exchange & Messaging
Screen Sharing & File Transfering
Discuss Your Voice Routing Requirements with Our Team
Why Choose Us for Class 4 Softswitch?
Proven VoIP and Telecom Expertise
Sheerbit brings deep hands on experience in building and deploying carrier grade VoIP solutions for telecom operators, wholesale providers, and global voice businesses.
Carrier Grade Performance and Reliability
Our Class 4 Softswitch is designed to handle high volume traffic with low latency, high availability, and consistent call quality across global routes.
Fully Customizable Solutions
We tailor routing logic, billing models, security rules, and deployment architecture to match your exact business requirements and growth plans.
Strong Focus on Security and Fraud Prevention
Sheerbit implements advanced fraud detection and traffic monitoring to protect your network from revenue leakage and operational risks.
Scalable and Future Ready Architecture
Our solutions are built to scale effortlessly as your call volume grows, ensuring long term performance without frequent system overhauls.
Dedicated Support and Long Term Partnership
From consultation and deployment to ongoing optimization, Sheerbit works as your technology partner, not just a solution provider.
Dedicated team
Cost-Effective Solutions
Seamless Integration
Agile Methodology
On-Time Delivery
24x7 Support
Our dedicated WebRTC teams are equipped with the expertise and experience to deliver exceptional real-time communication solutions tailored to your specific requirements. With deep knowledge in WebRTC development, we offer comprehensive services including custom application development, integration, and maintenance. Our focus on seamless integration ensures that your WebRTC solutions work flawlessly across various platforms and devices, providing users with a consistent and reliable experience. We prioritize security, implementing robust encryption protocols to safeguard your data and communications. With scalable solutions designed to grow alongside your business, ongoing support, and a commitment to innovation, we are your trusted partner for all your WebRTC development needs.
Our cost-effective solutions ensure that you get maximum value for your investment in WebRTC development. We prioritize efficiency and optimization in our processes, allowing us to deliver high-quality solutions within your budget constraints. By leveraging open-source technologies and efficient development methodologies, we minimize unnecessary expenses while maintaining the quality and performance of your WebRTC applications. Our transparent pricing model ensures that you have full visibility into the costs involved, with no hidden fees or surprises. With our focus on cost-effectiveness, you can trust us to deliver robust, scalable, and feature-rich WebRTC solutions that meet your business needs without breaking the bank.
Seamless integration is at the core of our WebRTC solutions, ensuring that our applications seamlessly fit into your existing ecosystem. Whether you need to integrate WebRTC capabilities into your website, mobile app, or enterprise system, our experienced developers ensure a smooth and hassle-free integration process. We work closely with your team to understand your requirements and design solutions that seamlessly blend with your existing infrastructure. Our expertise in APIs, protocols, and frameworks allows us to create interoperable solutions that communicate seamlessly with other systems and platforms. With our focus on seamless integration, you can trust us to deliver WebRTC solutions that enhance your communication capabilities without disrupting your operations.
Adopting an agile working methodology, we ensure flexibility, transparency, and efficiency throughout the WebRTC development process. By breaking down projects into manageable iterations, we deliver incremental value while accommodating changes and feedback promptly. Our agile approach fosters collaboration, with regular communication and involvement from stakeholders, enabling us to adapt to evolving requirements and priorities effectively. We prioritize delivering working software frequently, allowing you to see tangible progress and make informed decisions throughout the development lifecycle. With our agile methodology, you can expect faster time-to-market, reduced risks, and ultimately, superior WebRTC solutions that meet your business needs effectively.
Our commitment to on-time and quick delivery drives our WebRTC development process. We employ efficient project management practices, streamlined workflows, and a dedicated team to ensure timely completion of your projects. By setting realistic timelines and milestones, we maintain accountability and keep projects on track. Our agile approach enables us to adapt to changing requirements without compromising delivery schedules, ensuring flexibility while meeting deadlines. With a focus on continuous improvement and optimization, we strive to minimize turnaround times and deliver results promptly. Trust us to deliver your WebRTC solutions on time, without sacrificing quality or reliability, so you can launch your products and services to market quickly and efficiently.
Our commitment to continuous support extends beyond the completion of your WebRTC project. We provide ongoing assistance, maintenance, and updates to ensure your solutions remain optimal and up-to-date. Our dedicated support team is available to address any issues, answer questions, and provide guidance throughout the lifecycle of your WebRTC applications. Whether you encounter technical challenges, need assistance with upgrades, or require additional features, we’re here to help. With our responsive support services, you can rely on us to keep your WebRTC solutions running smoothly and effectively, allowing you to focus on your core business objectives with confidence.
Dedicated RTC teams
Cost-Effective Solutions
No Barriers to Different Time-Zones
Agile Working Methodology
On-Time & Quick Delivery
100% Transparent Communication
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Team up with our Class 4 Softswitch experts
Frequently Asked Questions
A Class 4 Softswitch is used by telecom carriers and wholesale VoIP providers to route large volumes of domestic and international calls between networks rather than serving end users.
It is ideal for wholesale VoIP providers, telecom operators, ISPs, MVNOs, and businesses involved in international call termination and voice traffic aggregation.
Class 4 Softswitches focus on carrier level call routing and interconnections, while Class 5 Softswitches are designed for end user services such as SIP accounts, extensions, and calling features.
Yes, the platform supports least cost routing as well as quality based routing to help operators balance call quality and profitability.
Yes, Sheerbit’s Class 4 Softswitch is built for high capacity environments and can handle large concurrent call volumes with stable performance.
Yes, advanced fraud detection and traffic monitoring features are included to help prevent unauthorized usage and revenue loss.
Yes, the softswitch supports multiple upstream and downstream carriers using SIP and H.323 protocols.
Sheerbit offers flexible deployment options including cloud, on premise, and hybrid setups based on your infrastructure needs.
Yes, it generates real time call detail records and supports flexible billing and rating models for prepaid and postpaid services.
Yes, Sheerbit provides continuous technical support, monitoring, upgrades, and optimization to ensure long term reliability and performance.
