Quick Overview
- 1#1: PortaBilling - Comprehensive real-time billing, customer care, and policy management platform for telecom and VoIP service providers.
- 2#2: VoIPswitch - All-in-one VoIP softswitch solution with integrated billing, routing, IVR, and fraud prevention features.
- 3#3: VOS3000 - High-capacity VoIP gateway and billing system designed for carriers, resellers, and wholesale operations.
- 4#4: Splynx - Cloud-based multi-tenant billing and network management software supporting VoIP, ISP, and IPTV services.
- 5#5: Telgoo5 - Converged real-time online charging and billing system for voice, data, and value-added services.
- 6#6: Chargesmart - Cloud-hosted wholesale VoIP billing platform with advanced rating, mediation, and settlement capabilities.
- 7#7: A2Billing - Open-source billing and management system for Asterisk and FreeSWITCH-based VoIP deployments.
- 8#8: Freeside - Open-source provisioning, billing, and CRM platform tailored for telecom and internet service providers.
- 9#9: Ubersmith - Integrated billing, CRM, support, and network management suite for service providers including VoIP.
- 10#10: Radiator - High-performance RADIUS/AAA server for authentication, accounting, and basic billing in VoIP networks.
Tools were ranked by evaluating feature depth, scalability, usability, and value, ensuring a balanced showcase of software that excels across critical performance metrics
Comparison Table
Discover a detailed comparison of top VoIP billing software tools, featuring PortaBilling, VoIPswitch, VOS3000, Splynx, Telgoo5, and additional platforms. This table outlines key capabilities, pricing structures, and user experiences to assist in selecting the right solution for diverse business requirements.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | PortaBilling Comprehensive real-time billing, customer care, and policy management platform for telecom and VoIP service providers. | enterprise | 9.5/10 | 9.8/10 | 8.2/10 | 9.1/10 |
| 2 | VoIPswitch All-in-one VoIP softswitch solution with integrated billing, routing, IVR, and fraud prevention features. | enterprise | 9.1/10 | 9.7/10 | 7.4/10 | 8.6/10 |
| 3 | VOS3000 High-capacity VoIP gateway and billing system designed for carriers, resellers, and wholesale operations. | enterprise | 8.3/10 | 9.1/10 | 6.7/10 | 8.5/10 |
| 4 | Splynx Cloud-based multi-tenant billing and network management software supporting VoIP, ISP, and IPTV services. | enterprise | 8.7/10 | 9.2/10 | 7.5/10 | 8.3/10 |
| 5 | Telgoo5 Converged real-time online charging and billing system for voice, data, and value-added services. | enterprise | 8.2/10 | 8.7/10 | 7.8/10 | 8.0/10 |
| 6 | Chargesmart Cloud-hosted wholesale VoIP billing platform with advanced rating, mediation, and settlement capabilities. | specialized | 7.6/10 | 8.2/10 | 6.8/10 | 7.4/10 |
| 7 | A2Billing Open-source billing and management system for Asterisk and FreeSWITCH-based VoIP deployments. | specialized | 7.6/10 | 8.4/10 | 5.8/10 | 9.2/10 |
| 8 | Freeside Open-source provisioning, billing, and CRM platform tailored for telecom and internet service providers. | specialized | 7.6/10 | 8.5/10 | 5.2/10 | 9.4/10 |
| 9 | Ubersmith Integrated billing, CRM, support, and network management suite for service providers including VoIP. | enterprise | 7.6/10 | 8.2/10 | 6.8/10 | 7.1/10 |
| 10 | Radiator High-performance RADIUS/AAA server for authentication, accounting, and basic billing in VoIP networks. | specialized | 8.2/10 | 9.1/10 | 6.4/10 | 7.8/10 |
Comprehensive real-time billing, customer care, and policy management platform for telecom and VoIP service providers.
All-in-one VoIP softswitch solution with integrated billing, routing, IVR, and fraud prevention features.
High-capacity VoIP gateway and billing system designed for carriers, resellers, and wholesale operations.
Cloud-based multi-tenant billing and network management software supporting VoIP, ISP, and IPTV services.
Converged real-time online charging and billing system for voice, data, and value-added services.
Cloud-hosted wholesale VoIP billing platform with advanced rating, mediation, and settlement capabilities.
Open-source billing and management system for Asterisk and FreeSWITCH-based VoIP deployments.
Open-source provisioning, billing, and CRM platform tailored for telecom and internet service providers.
Integrated billing, CRM, support, and network management suite for service providers including VoIP.
High-performance RADIUS/AAA server for authentication, accounting, and basic billing in VoIP networks.
PortaBilling
enterpriseComprehensive real-time billing, customer care, and policy management platform for telecom and VoIP service providers.
Real-time profitability-optimized LCR routing integrated with balance band control for fraud prevention
PortaBilling by PortaOne is a carrier-grade VoIP billing and customer care platform designed for telecom providers, MVNOs, and wholesale carriers. It delivers real-time rating, mediation, invoicing, and revenue assurance for voice, SMS, and data services across complex tariff structures and multiple currencies. With integrated routing, fraud management, and self-service portals, it supports scalable operations from retail to high-volume wholesale trading.
Pros
- Comprehensive real-time billing, mediation, and LCR routing with profitability analysis
- Highly scalable for enterprise and wholesale operations with multi-tenant support
- Robust customer portal and fraud prevention tools
Cons
- Steep learning curve and complex initial setup requiring telecom expertise
- Enterprise pricing not ideal for small providers
- Limited plug-and-play integrations for niche VoIP hardware
Best For
Large-scale VoIP carriers, wholesale traders, and MVNOs needing advanced, reliable billing and revenue management.
Pricing
Custom quote-based licensing; typically starts at $25,000+ annually for mid-scale deployments with support.
VoIPswitch
enterpriseAll-in-one VoIP softswitch solution with integrated billing, routing, IVR, and fraud prevention features.
Real-time integrated billing with automatic LCR, margins, and failover routing in a single platform
VoIPswitch is a comprehensive VoIP softswitch platform with integrated billing software designed for wholesale and retail VoIP providers. It offers real-time prepaid and postpaid billing, rate management, invoicing, and support for multiple currencies and payment gateways. The solution combines billing with Class 4/5 switching, LCR routing, IVR, and SMS services for end-to-end operations.
Pros
- Highly scalable billing engine handling millions of calls with real-time mediation
- Integrated softswitch and routing for seamless operations
- Advanced reseller management and multi-tenant support
Cons
- Steep learning curve requiring technical expertise for setup
- Custom pricing can be expensive for small-scale providers
- Interface feels dated compared to modern SaaS alternatives
Best For
Established wholesale VoIP operators and large resellers needing a powerful, all-in-one billing and switching platform.
Pricing
One-time license fees starting at $5,000+ based on capacity (channels/users), plus annual maintenance (15-20%) and optional add-ons.
VOS3000
enterpriseHigh-capacity VoIP gateway and billing system designed for carriers, resellers, and wholesale operations.
Integrated softswitch and real-time billing system that handles rating, routing, and invoicing in a single platform without external dependencies
VOS3000 is a comprehensive VoIP billing and softswitch platform tailored for VoIP service providers, offering real-time billing, rate management, advanced routing, and customer account handling. It supports both SIP and H.323 protocols, enabling seamless management of wholesale and retail VoIP operations with features like prepaid/postpaid billing, fraud detection, and detailed reporting. Deployed on Windows servers, it scales for high-volume traffic while providing tools for carrier-grade operations.
Pros
- Powerful real-time billing engine with flexible prepaid and postpaid options
- Advanced routing and LCR (Least Cost Routing) capabilities for cost optimization
- Scalable architecture supporting millions of calls per day
Cons
- Outdated and clunky Windows-based user interface
- Steep learning curve and complex initial setup
- Limited native support for cloud deployments or modern integrations
Best For
Medium to large VoIP wholesalers and resellers requiring robust on-premises billing and routing for high-volume operations.
Pricing
One-time license starting at $999 for basic edition, up to $5,000+ for enterprise with capacity upgrades; annual maintenance ~20% of license fee.
Splynx
enterpriseCloud-based multi-tenant billing and network management software supporting VoIP, ISP, and IPTV services.
Built-in RADIUS server and CDR mediation for real-time VoIP usage billing and provisioning across multi-service networks
Splynx is a comprehensive telecom management platform designed for ISPs, WISPs, and VoIP providers, offering robust billing, CRM, and network management features. For VoIP billing, it excels in processing CDRs, supporting prepaid/postpaid models, RADIUS authentication, and integration with SIP servers like Kamailio or FreePBX. It enables automated invoicing, real-time usage tracking, and multi-tenant scalability for service providers handling thousands of subscribers.
Pros
- Integrated VoIP billing with CDR processing and RADIUS support for seamless authentication
- Scalable multi-tenant architecture handles high volumes alongside internet/TV services
- Advanced automation for invoicing, payments, and service provisioning
Cons
- Steep learning curve due to extensive feature set requiring training
- Pricing model scales with subscribers, less ideal for very small VoIP-only operations
- Interface can feel overwhelming for users focused solely on VoIP billing
Best For
Medium to large ISPs and telecom operators bundling VoIP services with broadband for automated, scalable billing.
Pricing
Cloud SaaS starts at €0.60 per active subscriber/item per month (billed annually, minimums apply); on-premise licensing available with custom quotes.
Telgoo5
enterpriseConverged real-time online charging and billing system for voice, data, and value-added services.
Integrated Class 4/5 softswitch with zero-loss real-time HyperBilling engine
Telgoo5 is a comprehensive VoIP billing and softswitch platform designed for telecom operators, resellers, and carriers to manage voice traffic, billing, and routing efficiently. It features real-time billing, Class 4/5 softswitch capabilities, customer portals, and advanced tools for rate management and fraud prevention. The solution supports high-volume operations with multi-tenant architecture and integrates seamlessly with various SIP trunks and protocols.
Pros
- Robust real-time billing and LCR for high-volume traffic
- Scalable multi-tenant architecture with strong performance
- Comprehensive reporting, fraud detection, and customer portal
Cons
- Steep learning curve for setup and customization
- User interface feels dated in some modules
- Pricing lacks transparency without a sales quote
Best For
Medium to large VoIP providers and wholesale carriers seeking an all-in-one billing and softswitch solution.
Pricing
Custom quote-based pricing starting around $500/month for basic setups, scaling with traffic volume and features.
Chargesmart
specializedCloud-hosted wholesale VoIP billing platform with advanced rating, mediation, and settlement capabilities.
Universal rating engine supporting complex tariffs and real-time fraud detection
Chargesmart is a robust VoIP billing and provisioning platform tailored for telecom carriers, resellers, and service providers. It delivers real-time rating, billing, invoicing, and automated provisioning for services like DID numbers, SIP trunks, and SMS. The software supports prepaid/postpaid models, multi-currency handling, and includes a customizable customer self-care portal for white-label deployment.
Pros
- Comprehensive real-time billing and rating engine
- Integrated provisioning for DIDs and SIP services
- Flexible reseller and white-label options
Cons
- Dated user interface requiring adaptation
- Steep learning curve for setup and configuration
- Limited native mobile app support
Best For
Small to medium VoIP resellers and carriers seeking an affordable all-in-one billing and provisioning solution.
Pricing
Starts at $99/month for basic plans, scaling to $299+ for pro/enterprise with one-time setup fees from $500.
A2Billing
specializedOpen-source billing and management system for Asterisk and FreeSWITCH-based VoIP deployments.
Advanced real-time call rating engine with AGI integration for Asterisk, enabling precise balance checks and dynamic routing during active calls
A2Billing is an open-source, web-based billing and management platform designed primarily for Asterisk-based VoIP systems. It provides comprehensive tools for prepaid and postpaid billing, rate management, customer self-service portals, reseller hierarchies, and call reporting. Ideal for VoIP carriers, wholesalers, and calling card operators, it enables real-time call control, invoicing, and DID provisioning through a PHP/MySQL backend.
Pros
- Highly customizable with extensive VoIP-specific features like real-time rating and multi-tenant reseller support
- Completely free and open-source, offering exceptional value for scalable deployments
- Mature platform with proven reliability in production for calling cards and wholesale billing
Cons
- Steep learning curve and complex installation requiring Linux/Asterisk expertise
- Outdated user interface lacking modern UX polish
- Limited active development and official support, relying heavily on community forums
Best For
Technical VoIP providers, resellers, and carriers seeking a free, feature-rich billing solution without needing a polished GUI.
Pricing
Free open-source software; optional paid support, customization, or hosting available through partners.
Freeside
specializedOpen-source provisioning, billing, and CRM platform tailored for telecom and internet service providers.
Advanced batch CDR rating engine with support for RADIUS, SIP, and flexible pricing tiers tailored to VoIP usage
Freeside is an open-source billing, CRM, and provisioning platform designed primarily for ISPs and telecom providers, with strong support for VoIP services through RADIUS authentication, SIP proxy integration, and CDR processing. It automates customer management, usage tracking, rating, invoicing, and service provisioning for VoIP, DSL, and other telecom offerings. While highly customizable, it requires self-hosting and technical expertise to deploy effectively.
Pros
- Completely free and open-source with no licensing costs
- Highly customizable for complex VoIP billing scenarios including real-time rating and multi-tenant support
- Robust integration with VoIP tools like FreeSWITCH, Asterisk, and RADIUS for provisioning and usage tracking
Cons
- Steep learning curve and complex initial setup requiring Perl and Linux expertise
- Outdated web interface that feels clunky compared to modern SaaS alternatives
- Ongoing maintenance burden for updates, security, and scaling on self-hosted servers
Best For
Technical operators at small to mid-sized VoIP providers or ISPs seeking a free, highly customizable self-hosted billing solution.
Pricing
Free open-source software; self-hosted with no subscription fees.
Ubersmith
enterpriseIntegrated billing, CRM, support, and network management suite for service providers including VoIP.
Advanced multi-level rating engine that seamlessly handles wholesale, retail, and usage-based VoIP billing with dynamic rate decks.
Ubersmith is a comprehensive professional services automation (PSA) and billing platform tailored for managed service providers, including VoIP and telecom operators. It excels in handling complex usage-based billing, provisioning, customer relationship management, and reporting for services like voice, data, and hosting. The software supports multi-tenant environments, advanced rating decks, and integrations with telecom switches for automated workflows.
Pros
- Robust billing engine supporting complex rating, taxes, and multi-currency scenarios
- Strong API and integrations for VoIP switches and provisioning systems
- Scalable multi-tenant architecture for growing providers
Cons
- Steep learning curve and outdated user interface
- Custom implementation often requires professional services
- Higher cost structure not ideal for small operators
Best For
Medium to large VoIP providers requiring enterprise-grade billing automation and provisioning.
Pricing
Quote-based pricing; typically annual contracts starting at $10,000+ depending on scale and modules, with hosted or on-premise options.
Radiator
specializedHigh-performance RADIUS/AAA server for authentication, accounting, and basic billing in VoIP networks.
Real-time prepaid session control and rating via Diameter Rf interface for IMS/VoIP networks
Radiator is a high-performance RADIUS and Diameter server primarily used for authentication, authorization, and accounting (AAA) in telecom networks, with specialized plugins for VoIP billing including real-time rating and session control. It supports SIP, IMS, and H.323 protocols, enabling prepaid/postpaid billing, balance checks, and integration with external billing systems. The software excels in large-scale deployments, offering customizable Perl-based logic for complex rating scenarios.
Pros
- Exceptional scalability for millions of sessions with clustering
- Comprehensive VoIP support including Diameter Rf/Rg for real-time billing
- Highly customizable via Perl plugins and hooks
Cons
- Steep learning curve due to config-file and scripting-based setup
- No native GUI; relies on command-line and text editors
- Premium pricing without free tier for production use
Best For
Large telecom operators and VoIP providers requiring robust, scalable backend AAA for high-volume billing.
Pricing
Perpetual commercial licenses starting at ~$5,000+ depending on edition, plus annual support contracts (~20% of license cost).
Conclusion
The review of top VoIP billing software highlights solutions tailored to varied operational needs, with PortaBilling leading as the top choice, offering comprehensive real-time billing, customer care, and policy management. VoIPswitch and VOS3000 follow closely, excelling with their integrated softswitch and high-capacity gateway capabilities, respectively, making them strong alternatives for specialized requirements. Each tool brings unique strengths, ensuring there is a fit for carriers, resellers, and service providers alike.
Don’t hesitate to explore PortaBilling—its robust features can transform your billing operations, whether you’re managing multiple customers or scaling your VoIP services.
Tools Reviewed
All tools were independently evaluated for this comparison