VOIP4Learn
A Blog about VOIP.
Wednesday 18 November 2015
Using Wireshark to capture the packets of Remote Machine
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Remote capture using wireshark: First of, Create the pipe my@desktop:~$ mkfifo /tmp/pipes/cap_fw “/tmp/pipes/” is where I create m...
Sunday 1 November 2015
Bash Conditional Expressions
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Bash Conditional Expressions Conditional expressions are used by the [[ compound command and the test and [ built-in commands. Exp...
Monday 26 October 2015
vim Remove Comments using REGEX | Remove comments of Asterisk Configuration files
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You can try this command: : g /^ \( #\|$\)/d Or (Use ; for the Asterisk PBX configuration files.) : g / \v ^(#|; )/ d \| is for alt...
Tuesday 29 September 2015
WebRTC Video Resolutions
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Resolution is the number of pixels in an image. In general terms, the higher the resolution, the better the image quality. The followi...
Thursday 10 September 2015
SIPP installation and testing Asterisk with SIPP stress test tool
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1. Install required packages $ sudo apt-get install build-essential libncurses5-dev 2. Download, extract and compile SIPp $ wget "h...
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Wednesday 1 July 2015
Installing FFmpeg in Ubuntu 14.04 from source
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Installing FFmpeg in Debian Ubuntu 14.04 : Build and install FFmpeg: cd /usr/local/src wget -c http://ffmpeg.org/releases/ffmpeg-1.0...
Wednesday 24 June 2015
Asterisk behind the NAT setting
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Asterisk behind NAT The Asterisk Server is behind NAT The Asterisk server could be on the LAN (or in a DMZ) with a NAT firewall betwee...
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