Noise reduction and Echo cancellation

Copyright © SoliCall Ltd.

June 2015

About us

SoliCall is a technology company.

SoliCall develops unique software products for improving audio quality in both the network and the devices.

SoliCall has a proven track record and its technology is used to filter billions of voice chat minutes per month.


SoliCall’s Technology

Noise Reduction – attenuate ambient noise and noise generated in the network.

Profile-Based Noise Reduction – improve audio quality by focusing on the voice of the speaker.

Echo Cancellation – cancel echo that is generated on local or remote devices and networks.

Automatic Gain Control – keep the voice at a comfortable volume regardless the distance of the speaker from the microphone and phone settings.


SoliCall’s Products

PBXMate – A plug-and-play solution for SIP based VoIP network.

SDK for Client and Server. OEM solution for manufacturers / developers.

SoliCall Pro and Personal PBXMate - for a single phone.


PBXMate

A plug-and-play software product for SIP based VoIP network.

Improves audio quality for all participants in a call. Constantly improves and monitors quality.

Noise and echo are removed and speech level is adjusted to a comfortable level


Usage of PBXMate – examples

Call CentersIncrease the efficiency of the call center by

improving both incoming and outgoing audio.

Teleconferencing ProvidersImproves the quality of the calls even with large

amount of participants.


PBXMate AddOn - Installation


PBXMate AddOn – Phone Setup


Only Phones for which the Sip Proxy port ismodified to 5061, will work with PBXMate.

Note: In this Sip Proxy architecture, the phone willwork with G.711 or G.722. For G729 and other codes, a Sip Trunk architecture should be used.

PBXMate AddOn – Making Calls


Upon successful phone setup, calls should appear in the statistics tab.

PBXMate AddOn – Basic Filter Selection


PBXMate AddOn – Advanced Setup


Parameter Location:/usr/local/solicall/bin/pbxmate.conf

Statistic LoggingStatisticsFile=../log/stats

Enable Recording:OrigRecordingLibrary=../rec/CleanRecordingLibrary=../rec/

PBXMate AddOn – Advanced Setup


Profile-Based noise reduction:Once a profile is created, you can use it:ProfileBasedNRName=English

Setup for conference calls:DefaultCmd=*--1

PBXMate – Alternative Architectures


As a SIP Trunk

As a Router

Note: Using these architectures requires a change in the dial-plan of the PBX.

PBXMate – Additional Reading


Phone Proxy Setup (Blog)http://solicall.com/installing-pbxmate-with-elastix-phone-setup/

White Paper (PDF)http://solicall.com/wp/pbxmate-wp.pdf

User Manual (PDF)http://solicall.com/wp/SoliCall PBXMate -User Manual.pdf

http://solicall.com/installing-pbxmate-with-elastix-phone-setup/











http://solicall.com/wp/pbxmate-wp.pdf



http://www.solicall.com/wp/SoliCall PBXMate - User Manual.pdf



Thank You

Q & A.
