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Reference based Noise Reduction

  • Posted by admin
  • On November 1, 2016
Background Ambient noise during phone calls is annoying especially when the phone calls are a significant part of your business. Let’s assume you run a call center and there is temporary (or constant) source of noise that is picked up by the phones of the agents and therefore this noise is being heard by your […]
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Isolating the audio in VoIP networks

  • Posted by admin
  • On March 2, 2016
Background In this post we would like to share with you a rare phenomenon we have seen in few sites that once it appears, it can cause a head ache to the network administrator. As opposed to the old telephony networks that was based on dedicated physical cables per call, usually twisted pair, the cables […]
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Evaluating The Power Of Personal Noise Reduction On Live Calls

  • Posted by admin
  • On October 13, 2013
Background In this post we will describe a simple method for evaluating the power of the innovative profile-based noise reduction technology. This method does not provide optimal professional results but it can be used for preliminary evaluation. Companies that are interested in a more professional evaluation should contact us. In this post we will describe […]
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Tips for Installing PBXMate in a Distributed VoIP Network

  • Posted by admin
  • On February 3, 2013
Background Many VoIP network administrator face a common problem that their users complain about the quality of their phone calls. The most common complains are about noise, echo and other artifacts. If the network is distributed, it becomes very difficult to analyze and control the multiple components in the network starting from the end devices […]
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Installing PBXMate with Elastix – Phone Setup

  • Posted by admin
  • On November 21, 2012
  Background In a previous post we reviewed the basics of installing of PBXMate with Elastix. In this post we will review how to configure your phones to work with PBXMate. This post will discuss the configuration for VoIP phones.  In a future post we will review the configuration required for analogue phones.
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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, Art or Science? Part I

  • Posted by admin
  • On July 1, 2012
Background First, let us apologize that this post is going to be a bit technical. Don’t worry we will try to keep it as simple as possible.  Echo cancellation, and more specifically Acoustic Echo Cancellation (AEC) is theoretically a very simple algorithm. The AEC algorithm receives a reference signal (i.e. the audio played to the […]
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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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Why we got used to ambient noise in telephony?

  • Posted by admin
  • On January 5, 2012
Background If we just got a penny every time we heard the sentence:  “Our telephone equipment provides a superb audio quality… it could not be better…”.  Unfortunately, although this sentence is commonly used, it is one of the biggest self-deception in the industry.   When your friend calls you from the Mall or from the […]
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Echo Cancellation with Flash Clients

  • Posted by admin
  • On December 6, 2011
Background In the beginning of this year, Adobe has released an acoustic echo cancellation as an integral part of its platform. Based on the feedback we are getting, the problem of echo was successfully reduced but not in all environments and especially not in environments that include mobile platforms.  SoliCall’s network echo cancellation technology could […]
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