SoliCall develops patented technology for improving audio quality in telephony. SoliCall’s unique noise reduction software includes an innovative noise firewall for contact centers, a versatile echo cancellation software and a unique noise reduction technology. With SoliCall’s noise cancellation software you can easily improve audio quality in any type of phone call.

Our worldwide customer base includes companies of all sizes from big blue-chip companies to small start-up companies. Among our customers you can find:
• Developers of communication software and devices that embed our advanced technology in their solution using our OEM products.
• Call Centers that use our noise firewall solution to remove noise from the calls, improve customer experience (CX), prevent leakage of private data and increase the accuracy of voice analytic.
• Conference Bridge providers, VoIP operators, Education Centers and companies around the world that install our plug-and-play products to remove echo and noise from their calls.

For more information please contact us.

calls filtered per day


Years of operation

Why choose us ?

  • Cutting edge technology

    Our advanced and innovative technology has matured over the years by solving highly complex audio quality issues taking into account challenging demands from our customers. Moreover, we never rest and we keep investing and improving our technology while increasing the satisfaction of our respectable customer base.

  • Track record

    Years of experience enable us to provide a professional solution to any audio quality issue you might encounter. The fact that our technology is used world-wide to filter millions of calls per day serves as a good indication for the quality of our technology and for our commitment to successful deployments.

  • We care

    Our dedicated professional support team will help you analyze the audio behavior in your system and will guide you on the best tuning to maximize audio quality in your environment.

Innovative and patented noise reduction technology.

Compatible with many devices and platforms.

Available for cloud-based communication.

Improves audio quality and increases MOS.

Recent Posts


Bandwidth to cancel noise in call centers

How much money are you loosing every day due to the noise in your call center? How many outbound sales calls fail since the customer is annoyed by the disturbing noise coming from your call center? How much effort needs to be invested to fix the inaccurate results of your speech-to-text engine that are caused due to the ambient noise of the call center? […]


Skype for business and audio quality

Skype for business is a very powerful and popular communication platform and is used by many organizations. Using Skype for business is both a convenient and economic way for collaboration. Skype is used by the employees to communicate both with fellow workers and also with people outside the organization. In this post we would like to discuss the aspect of audio quality in voice calls and specifically noise reduction issues […]


Noise during online courses

The number of online courses has been increasing over the last years. Education institutes, including the most respectable universities, offer e-learning for an increasing share of their courses. Online training is also widely used by internal education centers in many organizations. Although e-learning is widely used world-wide, there are areas in which it is the […]


Noise in multilingual call centers

Some of the call centers provide service in more than one language. This happens in countries that have more than a single formal language or in call centers that provide offshore BPO service to many countries. In these call centers calls are conducted in parallel in many languages. In this post we will not discuss workforce or call distribution challenges in such multilingual call centers but we would like to explore the uniqueness of ambient noise […]


High Availability In Call Centers

The telephony system in call centers is a critical component that is the heart of the operation. Any disruption to the normal flow of the phone calls will result in a significant damage to the business. For example, let’s look at a busy call center that is unable to accept new calls for few minute due to some failure in the telephony infrastructure, you can surely imagine how much damage this will cause both to its reputation and also to its business. […]


Noise cancelling headsets for call centers, what’s next?

Noise removal in a call center environment is a challenging task. As opposed to non-human ambient noise like street noise and car horn, the background noise in call centers is actually human voices of people talking in the background. When performing noise removal in a contact center environment the challenge is to identify which of […]


Echo and noise in kiosks and vending machines

Kiosks and vending machines are perhaps the most widely used devices that can be found almost in any public area. Their main purpose is to provide a wide spread service in almost any public location. These devices are very common and their number is not very different from the size of the human population. For example […]


DC offset and Audio Filtering

In this post we describe a phenomena called “DC offset” in audio signal and its impact on the quality of audio filtering like noise reduction, echo cancellation and automatic gain control. We say that a signal has a DC offset distortion when the mean amplitude of its waveform is not zero. A normal voice is a symmetric sine signal […]


Acoustic Echo Cancellation Vs. Acoustic Echo Suppression

Echo is a known problem in telephony and when it appears it dramatically reduces the quality of the audio. In some cases the echo can even turn out to howling effect that generates a deafening noise. To familiarize yourself with the basic terms that relates to echo cancellation, you are invited to read our blog-series […]