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Improve call quality by adding noise!

  • Posted by admin
  • On April 1, 2021
Yes, you read the title correctly. In this post we discuss a technique of adding noise to a call in order to improve its quality. Along the years, we published many posts discussing techniques to improve voice quality mainly by removing noise and echo from the calls, for example take a look at the following […]
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Echo and noise in Kiosks and Vending Machines

  • Posted by admin
  • On April 23, 2019
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 […]
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PBXMate vs. SoliCall Pro

  • Posted by admin
  • On January 10, 2018
If you are a call center, conference bridge provider or any other organization looking to improve audio quality in your telephony using our innovative technology, you might ask yourself which of our products is most suitable for you. Assuming you are not developing your own telephony software our SDKs are not an option but what […]
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How to evaluate an echo cancellation algorithm?

  • Posted by admin
  • On November 21, 2017
  When you encounter an echo problem in your application, network or devices it is obvious you need to introduce an echo canceller.  Your next step is to explore at least two possible locations for performing the echo cancellation: cancelling the echo on the client side or doing it on the server side. The decision […]
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Controlling Audio Quality in Conference Calls

  • Posted by admin
  • On September 12, 2013
Background Conference calls are a common tool in the business environment today. They seamlessly close any geographic distance between the participants. While participating in a conference call you are usually not aware of the physical location and time zone of all other participants. This is true until you find it hard to understand the flow […]
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Installing PBXMate with Elastix

  • Posted by admin
  • On October 1, 2012
[Important Note]: New versions of Elastix no longer support add-ons technology. To install PBXMate with new version of Elastix we offer our plug-and-play technology that works out-of-the-box with Elastix. For details, please visit PBXMate page.   Background As recently announced, the PBXMate is now an Addon to Elastix. As a result, installing PBXMate with Elastix […]
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Echo Cancellation with Flash – A Case Study

  • Posted by admin
  • On September 7, 2012
Background From time to time we are getting requests to improve audio quality in flash calls and mainly to help remove echo. In a previous post, Echo Cancellation with Flash Clients, we discussed few techniques that could be helpful. In this post we show a case study for integrating a centralized audio filtering to improve […]
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Audio Quality for Elastix

  • Posted by admin
  • On April 1, 2012
Background The Elastix users enjoy from a powerful unified communication system with very professional graphical user interface that provides a friendly way for monitoring and control the system. The powerful system together with the the ease-of-use is one of the main reasons that attract customers into using Elastix. [EDITED] New versions of Elastix no longer […]
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Poor Audio Quality with Hosted VoIP and Cloud-Based PBX

  • Posted by admin
  • On March 1, 2012
Background The hosted VoIP service is gaining popularity like other cloud-based infrastructure services. SMBs prefer hosted VoIP solution to cut down costs and operational overhead. In addition many providers offer attractive build-in features on top of the standard service.  As opposed to other IT services, VoIP is more delicate and if not handled correctly it […]
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How can mobile operators increase revenue utilizing their existing infrastructure?

  • Posted by admin
  • On February 6, 2012
Background Around the world, the competition for mobile operators intensifies every day. Their revenue shrinks due to increasing competition and the alternatives for free VoIP call on the data channel. In addition to the reduction in revenue, mobile operators are constantly required to invest a lot of money upgrading their infrastructure.  It is clear that […]
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