- Bi-Directional Noise Cancellation: Removes background noise and ambient voices from both sides of a call in real time.
- Echo Cancellation: Eliminates echo across any phone call or VoIP system without specialized hardware.
- Noise Firewall™: Proprietary technology designed specifically for noisy call centers and shared workspaces.
- On-Premises Deployment: Operates entirely offline, meeting strict security and privacy requirements.
- Low Resource Usage: Optimized to consume minimal CPU and memory without requiring GPU acceleration.
- Universal Compatibility: Integrates with desk phones, soft-phones, cloud PBX systems, and custom telephony stacks.
SoliCall
Enterprise-grade noise and echo cancellation for professional telephony environments
Updated April 3, 2026
SoliCall Overview
SoliCall Noise Cancelling App is an enterprise-focused audio enhancement solution designed for call centers, VoIP providers, and communication software developers. It uses patented AI-driven noise, voice, and echo cancellation technology to improve call clarity in noisy environments.
SoliCall supports on‑premises deployment, integrates with virtually any phone system, and is optimized for low CPU and memory usage.
Key Features
Pricing
| Plan | Price | Featured |
|---|---|---|
| SoliCall Pro | Custom Quote (3-Day Free Trial) | Bi-directional noise cancellation, Echo and background voice removal, Soft-phone integration |
| PBXMate Classic | Contact Sales | Enterprise-grade call center deployment, On-premises processing, High call-volume support |
| PBXMate for Call Centers | Contact Sales | Noise Firewall™ technology, Call quality analytics, Large-scale PBX integration |
| SoliCall Connect | Contact Sales | Cloud and PBX compatibility, Real-time noise suppression, Voice analytics optimization |
| SDKs (Mobile, Client, Server) | Contact Sales | OEM embedding, Developer-focused APIs, Cross-platform support |
Pros
Competitor |
Pros |
|---|---|
| Krisp | SoliCall provides deeper telephony and PBX integration than Krisp, making it more suitable for enterprise call centers. Its on‑premises option offers stronger privacy controls and lower long‑term costs for large deployments, while Krisp focuses more on individual users and cloud-based meetings. |
| NVIDIA RTX Voice | Unlike RTX Voice, SoliCall does not require dedicated GPU hardware, which significantly reduces infrastructure costs. It is also platform-agnostic and optimized for telephony environments, whereas RTX Voice is primarily designed for PC streaming and conferencing scenarios. |
| Noise Blocker | SoliCall offers enterprise-grade features such as bi-directional noise cancellation and echo control, which Noise Blocker lacks. While Noise Blocker is simpler and cheaper, SoliCall excels in complex call center environments where audio quality directly impacts productivity and analytics accuracy. |
| RNNoise | Compared to RNNoise, SoliCall provides a fully supported commercial solution with professional tuning, long-term updates, and customer support. This makes it easier to deploy at scale without requiring in-house audio engineering expertise. |
| Zoom Built‑in Noise Suppression | SoliCall works across any phone system or VoIP application, not just a single platform. It delivers more consistent results in call center scenarios, while Zoom’s built‑in suppression is limited to meetings and offers fewer customization and deployment options. |
Cons
Competitor |
Cons |
|---|---|
| Krisp | Compared to Krisp’s transparent self‑serve pricing, SoliCall’s pricing model is less accessible and often requires contacting sales. This can slow down evaluation for small teams or individual users who want immediate cost clarity and quick deployment. |
| NVIDIA RTX Voice | SoliCall does not benefit from GPU‑accelerated deep learning like RTX Voice, which can deliver stronger suppression for extreme background noise in some consumer scenarios. Users focused on streaming or gaming may find RTX Voice more effective in those specific use cases. |
| Noise Blocker | Noise Blocker’s one‑time purchase model is more appealing for budget‑conscious users. SoliCall targets enterprises, which can make it feel overpowered and more complex than necessary for freelancers or home office users. |
| RNNoise | Open‑source alternatives like RNNoise allow deeper customization for advanced developers. SoliCall’s proprietary approach limits low‑level tuning and experimentation, which may be a drawback for teams wanting full control over the signal processing pipeline. |
| Zoom Built‑in Noise Suppression | Zoom’s built‑in solution is easier to activate with no installation or configuration. SoliCall requires setup and integration, which may increase deployment time for organizations that only need basic noise suppression for meetings. |
Reviews
- G2 Review (Rating: 4/5): SoliCall enhances call quality by minimizing background noise and echo, which makes conversations clearer in noisy environments and improves overall communication.
- Slashdot Review (Rating: 5/5): SoliCall performs strong echo cancellation and noise reduction for both participants on a call, eliminating distractions such as car horns and other background sounds during conversations.
- SourceForge Review (Rating: 5/5): One consultant called SoliCall “Perfect,” highlighting its ability to handle both non-human noises like car horns and human voices in the background. The reviewer valued its modest CPU usage, configurable tuning options, and the fact that it works without any Internet connection, though private users cannot purchase a commercial license after the trial.
