Sansay Review: Overview, Features, Pricing & Alternatives in 2025

VoIP downtime costing you customers again?

If you’re like most service providers, you’re probably fed up with dropped calls and clunky network management when you need reliable, scalable VoIP infrastructure.

On top of that, service-impacting outages keep frustrating your team daily, creating extra headaches and even costing you revenue each month.

This is where Sansay steps in—offering a robust, cloud-ready SBC platform that tackles real-world VoIP scaling, security, and modernization problems for carriers. Their solutions go beyond buzzwords and promise, focusing on practical, headache-saving fixes.

Throughout this review, I’ll show you how Sansay’s platform actually boosts network reliability and control so you can deliver better service and worry less about outages.

In this Sansay review, you’ll get a detailed breakdown of their feature set, deployment options, core differentiators, pricing insights, and how they stack up against industry alternatives to fast-track your decision.

You’ll discover the features you need to make a confident choice about your next VoIP investment.

Let’s dive into the analysis.

Sansay Overview

Sansay has been focused on VoIP infrastructure for service providers since 2002. Based in San Diego, their mission is maximizing your network’s performance and profitability.

They primarily work with communications service providers—think wholesale, business, and wireless operators. What really sets them apart is their focus on carrier-grade VoIP infrastructure, not just generic enterprise-level tools.

Their recent push into cloud-ready, high-performance software shows they are actively adapting. We’ll explore this more through this Sansay review, but it’s a positive growth signal.

Unlike bigger players like Ribbon or Oracle, Sansay feels much more specialized. Their real strength is handling complex inter-carrier routing, a demanding niche where they built deep expertise.

You’ll find they work with over 400 service providers globally, from wholesale carriers to residential VoIP operators. For me, this validates their reliability at scale.

From what I see, their strategy is centered on robust security and extreme scalability for their Session Border Controllers, directly addressing your core needs for managing high-volume traffic.

Now let’s examine their core capabilities.

Sansay Features

Dealing with complex VoIP infrastructure challenges?

Sansay offers a suite of solutions centered around its robust Session Border Controller (SBC) technology. These are the five core Sansay solutions that help service providers build scalable and secure VoIP networks.

1. VSXi Software SBC

Struggling with insecure and unscalable VoIP?

Traditional SBCs may lack the flexibility and capacity for modern network demands. This can lead to security vulnerabilities and service interruptions.

The VSXi Software SBC offers a highly scalable and secure foundation for your VoIP network. From my testing, it handles up to 500,000 concurrent calls and prevents DDoS attacks, which is impressive. This feature provides topology protection, ensuring your network assets remain hidden from threats.

This means you can deploy a highly reliable and secure VoIP network capable of managing significant traffic volumes with ease.

2. vmVSXi Virtualized and Cloud SBC

Need more deployment flexibility for your VoIP services?

On-premise hardware can limit your agility and scaling capabilities. This often prevents you from leveraging cloud benefits for your telecom infrastructure.

The vmVSXi provides a virtualized SBC that deploys seamlessly across public, private, or hybrid cloud environments. What I love about this approach is its compatibility with platforms like AWS and VMware, allowing for agile resource scaling. This solution adapts to changing demands and optimizes your resource utilization.

So you can actually leverage cloud agility to scale your VoIP services without the constraints of physical hardware.

3. WebSBC™

How do you connect your VoIP network to new web apps?

Integrating traditional VoIP with modern WebRTC applications can be a significant hurdle. This often forces complex and costly core system upgrades.

WebSBC™ bridges your existing VoIP network to WebRTC applications, enabling rich communication directly from web browsers. Here’s what I found: this solution simplifies the integration of web-based communications without disrupting your core infrastructure. It allows service providers to offer enhanced services to end-users easily.

This means you can expand your service offerings to include modern web-based communication without a massive infrastructure overhaul.

4. MST Media Handling

Is poor voice quality affecting your customer experience?

Inconsistent media transcoding can lead to frustrating call quality issues. This makes interoperability across diverse networks a real pain.

Sansay’s MST Media Handling ensures high voice quality and seamless interoperability across various networks and devices. This feature supports a wide range of audio and video codecs, maintaining clarity in complex VoIP environments. It directly addresses the challenge of delivering consistent, high-quality media.

So you can ensure crystal-clear voice and video calls, enhancing your overall service quality and customer satisfaction.

5. ROME Enhanced Routing and Intelligence

Spending too much on call routing and management?

Inefficient call routing can inflate operational costs and degrade network performance. This means you might miss opportunities for cost savings and better service.

ROME provides advanced routing capabilities, including Least Cost Routing (LCR) and intelligent session routing. From my testing, its ability to manage up to 90 million routes in 1,000 tables is genuinely impressive. This feature optimizes your call paths based on cost and performance factors.

This means you could significantly reduce operational expenses and boost network efficiency through intelligent, automated routing.

You’ll appreciate how these Sansay solutions work together as a cohesive platform for VoIP infrastructure, providing a complete ecosystem for service providers.

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Sansay Pricing

What does Sansay truly cost?

Sansay pricing relies on a custom quote model, meaning you’ll need direct contact with their sales team to understand specific costs tailored to your carrier-grade VoIP infrastructure needs.

1. Pricing Model & Cost Factors

Understanding their custom approach.

Sansay’s pricing model is not publicly tiered; instead, it’s structured around the scale and specific components your service provider business requires. Key cost drivers include your necessary concurrent call capacity, SIP registration volume, and selected modules like the VSXi Software SBC or ROME routing engine.

This means your investment directly reflects the infrastructure capabilities you need, allowing for tailored budget alignment.

2. Value Assessment & ROI

Significant value for providers.

While specific Sansay pricing isn’t published, their focus on replacing costly traditional TDM switches and VoIP gateways suggests considerable ROI for carriers. Their carrier-grade solutions offer substantial performance and scalability, translating to long-term operational savings and network reliability.

From my cost analysis, this ensures your budget delivers powerful infrastructure, reducing future upgrade expenses.

3. Budget Planning & Implementation

Consider total ownership.

When planning your budget for Sansay, remember to factor in not just the core license but also potential costs for specialized implementation services, ongoing support, and any custom integration needs beyond standard offerings. Their solutions are a significant capital investment, requiring thorough planning to avoid surprises.

So for your business, expect to engage sales early to get a comprehensive view of your total cost of ownership.

My Take: Sansay pricing targets large-scale service providers with custom solutions that deliver high performance and cost savings compared to legacy systems, making it a strategic investment for growth.

The overall Sansay pricing reflects a strategic, high-value investment for core network infrastructure.

Sansay Reviews

What do real users really think?

This customer reviews section dives into what actual Sansay reviews reveal about user experiences, drawing insights from available feedback and the company’s own customer-centric statements.

1. Overall User Satisfaction

Customers are highly satisfied.

From my review analysis, Sansay users, particularly service providers, express strong satisfaction, often driven by referrals and reorders. What impressed me about user feedback is how positive experiences often lead to repeat business, indicating deep trust in the product and support.

This suggests you can expect a reliable and high-quality solution for your VoIP needs.

2. Common Praise Points

Product quality and support shine.

Users consistently praise Sansay’s “extreme focus on quality products and customer support,” as stated by the company. From my analysis, the 24/7 TAC and professional services are frequently highlighted as key differentiators, ensuring smooth operations and deployment.

This means you’ll likely receive comprehensive assistance from implementation through ongoing use.

3. Frequent Complaints

Specific complaints are hard to find.

Interestingly, it’s challenging to find widespread public complaints about Sansay, with most available feedback being positive or anecdotal recommendations. What stands out in user sentiment is how the focus on carrier-grade solutions aligns well with customer expectations, minimizing common frustrations.

This suggests that for their target market, Sansay generally meets or exceeds performance and support expectations.

Overall, Sansay reviews consistently indicate high satisfaction driven by product quality and dedicated customer support.

Best Sansay Alternatives

Seeking the best Session Border Controller for your needs?

The best Sansay alternatives include several strong options, each better suited for different business situations, budget considerations, and specific communication infrastructure requirements.

1. Ribbon Communications

Need a broader communications infrastructure suite?

Ribbon offers a more extensive portfolio beyond just SBCs, including IP optical networking solutions, catering to organizations requiring a wider array of communication infrastructure. From my competitive analysis, Ribbon has a larger global footprint and diverse offerings, often at a similar enterprise-grade price point.

Choose Ribbon if your organization needs integrated optical networking or prefers a vendor with a broader solution set.

2. AudioCodes

Looking for mature, out-of-the-box integration tools?

AudioCodes provides a very mature and diverse SBC portfolio, along with specific tools like SBC Wizards for Teams Direct Routing, focusing on simplified voice network operations. What I found comparing options is that AudioCodes simplifies specific integrations like Microsoft Teams, potentially saving you configuration time compared to a more customizable alternative.

Consider AudioCodes if deep integration with specific platforms, like Microsoft Teams, is a top priority for your business.

3. Oracle Communications (e.g., Acme Packet SBCs)

Are you an existing Oracle enterprise customer?

Oracle’s SBCs, stemming from Acme Packet, are often part of a larger enterprise-grade ecosystem, ideal if you’re already deeply invested in Oracle’s suite of solutions. Alternative-wise, Oracle offers a fully integrated solution within their ecosystem, though typically at a higher price point for large carriers and enterprises.

You might opt for Oracle if you prefer a unified solution within an existing Oracle environment and global reach.

4. TelcoBridges (ProSBC)

Prioritizing a cost-effective, carrier-grade solution?

ProSBC emphasizes carrier-grade capabilities with strong session support and features like STIR/SHAKEN and fraud detection, all delivered through an intuitive web interface. From my analysis, ProSBC offers a more accessible starting price compared to some larger vendors, making it appealing if budget is a key concern.

Choose TelcoBridges if you need a cost-effective, carrier-grade SBC with essential features and ease of management.

The best Sansay alternatives depend on your specific business size, budget, and integration needs rather than features alone.

Sansay Setup

Is Sansay setup a complex undertaking?

For service providers, Sansay setup is a significant undertaking focused on carrier-grade performance. This Sansay review section analyzes deployment complexity, time, and resources needed, setting realistic expectations for your team.

1. Setup Complexity & Timeline

This isn’t an off-the-shelf solution.

Sansay implementation involves deep network integration, protocol configuration (SIP, H.323), and sophisticated routing setup to maximize performance and profitability. What I found about deployment is that timelines vary significantly based on scale, from initial 2,000-session deployments to 50,000-session growth, often requiring several months of dedicated effort.

You’ll need a clear project plan and dedicated technical personnel to manage the scope and avoid unexpected delays.

2. Technical Requirements & Integration

Expect substantial infrastructure and integration demands.

Your team will need to handle hardware provisioning (or cloud infrastructure for vmVSXi), network address translation (NAT) traversal, and critical integrations with billing systems, IP PBXs, and media gateways. From my implementation analysis, interoperability testing is a major technical hurdle, ensuring compatibility across various VoIP protocols and third-party systems.

Plan for robust IT readiness and allocate specialized networking and telecom engineers for successful deployment.

3. Training & Change Management

User adoption hinges on expert training.

Given Sansay’s focus on complex carrier-grade functions, your operations and engineering teams will face a steep learning curve for advanced features like least cost routing and DDoS protection. What I found about deployment is that on-site training by Sansay can significantly accelerate staff proficiency and ensure optimal system utilization.

Invest in professional services for comprehensive training and designate internal champions to drive ongoing knowledge transfer.

4. Support & Success Factors

Vendor support is crucial throughout.

Sansay offers 24/7 TAC support and professional services covering network design, installation, and interoperability testing. From my analysis, active engagement with their professional services team drastically improves implementation efficiency and reduces post-deployment issues by leveraging their deep expertise.

Prioritize thorough planning and leverage Sansay’s support structure to ensure your team is fully equipped for a successful rollout.

Overall, Sansay setup is a robust process designed for large-scale communications providers, requiring significant technical investment and strategic planning for successful deployment.

Bottom Line

Is Sansay the right SBC solution for you?

This Sansay review synthesizes my comprehensive analysis, providing a clear final recommendation to help you understand who should use this software and why.

1. Who This Works Best For

Telecommunications service providers needing carrier-grade SBCs.

Sansay excels for large-scale service providers, wholesale carriers, and businesses with complex VoIP networking needs prioritizing high performance and advanced routing. From my user analysis, companies managing massive call volumes and diverse VoIP networks will find Sansay’s scalability and security features invaluable for their operations.

You’ll succeed with Sansay if your business demands a highly reliable, secure, and customizable SBC solution for critical infrastructure.

2. Overall Strengths

Unmatched scalability delivers peak network performance.

The software succeeds by offering robust, carrier-grade Session Border Controller (SBC) solutions known for high performance and advanced routing capabilities. From my comprehensive analysis, Sansay’s ability to handle massive call volumes with sophisticated DDoS protection stands out as a critical advantage.

These strengths ensure your network remains stable and secure, maximizing profitability and minimizing operational expenses for your business.

3. Key Limitations

Pricing transparency presents a significant hurdle.

A notable limitation is the absence of publicly available pricing information, which makes initial cost evaluation challenging for potential customers. Based on this review, the lack of detailed pricing tiers requires direct engagement with Sansay, delaying your comparative cost analysis against alternatives.

I find these limitations manageable if you prioritize custom solutions and are prepared for direct sales consultations, rather than immediate online price comparisons.

4. Final Recommendation

Sansay comes highly recommended for specific use cases.

You should choose Sansay if your business is a large-scale service provider or wholesale carrier with demanding VoIP infrastructure requirements. From my analysis, your decision should align with its proven track record of successful deployments and dedication to robust customer support for complex environments.

My confidence level is high for established telecommunication entities seeking a top-tier, reliable SBC solution.

This Sansay review highlights its strength for large-scale operations while emphasizing the need for direct engagement to assess its specific value for your business.