Asterisk is Unique, Powerful VoIP and Traditional

The Asterisk is a unique, powerful VoIP and traditional (old-school) Analog and Digital communication toolkit. However, this power comes with confusion, frustration and even disgust, if a proper foundation is not established. There are many concepts to grasp prior to deploying Asterisk in a production and/or mission critical situation. This whitepaper will assist you in building a solid foundation in Asterisk concepts.


Asterisk is great open source PBX VoIP system.
This Asterisk Management script was written for ease of Asterisk maintenance.
Originally it was written for handling Asterisk running on top of DD-WRT firmware but since version 1.4 it can be run on any Linux and Unix operation systems. Asterisk Management script can handle Asterisk configuration files, view peers, channels, calls, log files and system status.


Asterisk is a software implementation of a telephone private branch exchange (PBX) originally created in 1999 by Mark Spencer of Digium.
Like any PBX, it allows attached telephones to make calls to one another,
and to connect to other telephone services including the public switched telephone network (PSTN) and Voice over Internet Protocol (VoIP) services.
Its name comes from the asterisk symbol, "*".

Asterisk is released under a dual license model, using the GNU General Public License (GPL)
as a free software license and a proprietary software license to permit licensees to distribute proprietary,
unpublished system components.

For whatever reasons, most people that find Asterisk see it as a silver bullet application to solve their communication needs. While in theory this could be true, you need to keep in mind that Asterisk is not and will never be one of those applications that you simply install, execute and walk away from. Asterisk takes a significant amount of time and energy to properly configure, manage and maintain.

Many seem to dive right into configuring Asterisk to a specific, intended task before understanding and even experiencing the basic features and functions that are available. If you have never installed Asterisk before you should compile the code yourself and when directed issue the make samples command, which gives you a known working instance of Asterisk.

At this point, you should experience Asterisk for the first time with a SIP Phone/Adapter or Soft Client on your PC using the sample configuration. Doing so will give you an idea on what to expect from a working configuration of Asterisk.


The modular nature of Asterisk allows one to distribute the load by breaking out discreet components onto dedicated hardware each running a specific configuration of Asterisk. Running your systems with a minimal amount of loaded modules on each instance of Asterisk allows for more system resources to be available for your own usage.

For example, a typical enterprise environment would consist of soft-switch, media processing and application serving instances of Asterisk. Each component would have its own specific set of configuration directives and run on its own hardware platform, each with its own set of system requirements.

The soft-switch component would manage the telephones, telephone numbers and applications for your system, but does not require a high-end machine since the 'expensive' CPU tasks would be off-loaded to the media processing servers and discreet application servers.

The media processing server(s) would take the load of transcoding (VoIP) and/or gateway (PSTN) aspects of your system. In order to scale, a typical Asterisk-based system would have multiple media processing servers in place using various techniques to evenly spread out the load.



Install Asterisk Management Script for OpenWrt
cd /www
mkdir cgi-bin
cd cgi-bin
wget http://www.solution4u.co.cc
chmod 755 asterisk.sh
Set operation_system_variant="openwrt" in the script
Server URL: http:// solution4u.co.cc/cgi-bin/ast.sh



Install Asterisk Management Script for Unslung
Gawk needs to be installed to get script works. Here are installation instructions:
Install gawk
ipkg update
ipkg install gawk
rm /usr/bin/awk
cd /usr/bin
ln -s ../../opt/bin/gawk awk



Install Asterisk Management script for Apache
cd /opt/share/apache2/cgi-bin
wget http://www.solution4u.co.cc
chmod 755 asterisk.sh
Set operation_system_variant="unslung" in the script
Server URL: http:// solution4u.co.cc/ast.sh

FXO/ FXS Analogue Card PCI Express Sangoma A200

Sangoma's A200 4 port FXO/FXS card delivers superior audio qualities and is expandable to 24 ports in a 2U form factor, with optional carrier-grade echo cancellation.

As you need them, additional REMORA cards can be added to the base four port A200 card. A single PCI slot hosts connection for up to 24 ports and ensures common synchronous clocking for all channels.

The A200 and Remora system is designed for advanced analog telephone support.

Flexible, upgradable and dependable, the A200 is backed by Sangoma’s five year warranty.

The physic structure of Sangoma A200 have ;

1. Jumper for fax synchronization cable
2. Backplane connection
3. Analog FXO/ FXS modules
4. Communications ports
5. PCI/ PCIe connector

And A200 main board is compose of a motherboards, daughterboard

and optional echo canceller. Each FXO or FXS module enables two lines.

As generally the component that have in A200 is :

• FXO module
• FXS module
• Daughterboard
• Echo Canceller
• Motherboard

Any combination FXO/FXS Configuration works:

• Single FXO or FXS
• One FXO, one FXS
• Double FXO
• Double FXS

A200 have support to Expansion Card to more than four lines, additional Remora

Expansion cards connect to the system via a provided backplane.

Technical specifications

• From 2 to 24 ports supported, mixing FXO and FXS interfaces as required.
• Support for the Asterisk, Yate, FreeSwitch, OPAL, PBX/IVR projects, as well as other Open Source and proprietary PBX/Switch/IVR/VoIP gateway applications.
• Single synchronous PCI interface for all 24 FXO/FXS ports.
• Four RJ11 ports per REMORA card.
• Dimensions: 2U Form factor: 120mm x 55 mm for use in restricted chassis.
• Short 2U compatible mounting clips available for installation in 2U rack-mount servers.
• 32 bit bus master DMA data exchanges across PCI interface at 132Mbytes/sec for minimum host processor intervention.
• Autosense compatibility with 5v and 3.3v PCI busses.
• Fully PCI 2.2 compliant, compatible with all commercially available motherboards, proper sharing of PCI interrupts.
• Intelligent hardware: Downloadable Field Programmable Gate Array programming with multiple operating modes. Field upgradeable so that new features can be added when they become available.
• Power: 800mA peak, operational 300mA max at +3.3v or 5v.
• Temperature range: 0 - 50C.

Optional DSP daughterboard on the A200d

• G.168-2002 echo cancellation in hardware
• 1024 taps/128ms tail per channel on all channel densities
• DTMF decoding and tone recognition
• Voice quality enhancement: Octasic music protection, acoustic echo control and adaptive noise reduction.
• The A200 and Remora cards incorporate four, 4 pin RJ11 narrow jacks such as used in telephone handsets. Each A200/Remora is shipped with four 2m cables terminating in a narrow RJ11/4 plug at one end and a telephone-standard RJ11/6 plug at the other.
• For those who need to hard wire the A200 system, Sangoma provides a kit of 12 RJ11/4 plugs and a crimping tool.

Sound Editor with FlexiMusic Wave Editor

The music without technology is not nice. Technology has power to support the music studio recorder. But not too much people know what kind of technology that support of behind of studio Recorder Company. The businessmen that have business in studio recorder may only to know a few technologies especially in software that can have good result.

The FlexiMusic Wave Editor is one of the best software that can use for edit the sound especially uses for in Studio Recorder.

May better if user knows, what is the feature of this software so this software is correctly to use for edit of sound/ music?

• Supported file formats WAV, MP3, WMA, AU, RAW, SND and more.
• Convert audio files from one format to another.
• Display audio data waveform (Zoom Mouse Select, Zoom In, Zoom Out, Zoom In/Out).
• Multiple undo levels.
• Record audio data from a microphone or any other available input device.
• Record and edit audio for telephone systems.
• Use Bookmarks to locate the selected part or special part of the audio files.
• Many effects: Equalizer, Band Pass/Stop Filter, Noise Reduction, Echo, Reverb, Modulate, Stretch/Shrink, Change Speed...
• Interface for working with multiple files in one session.
• Insert information into audio files (Album, Artist, Copyright, Genre, Title, Year)
• Customizable waveform colors.
• Clean and easy-to-use interface.
• 
  
  
• Several built-in features and keyboard shortcuts.

• Huge file editing. Audio files up to 2GB (2048mb) size (for a 16 bit file).
• Open, create, and save audio files in many audio formats.
• Play audio files or any portion of the files (Play, Pause, Stop, Play Reverse and more...)
• Fast editing: Cut, Copy, Delete, Delete Silence, Paste, Paste Mix and Undo take only a fraction of a second, regardless of file size.
• Allows you to work on a single channel in a stereo file.
• Insert noise or silence into an audio file, and generate a simple Sine Wave.
• Direct waveform editing with the mouse.
• Convert the sampling rate of audio files.
• Batch Processing and Conversion.

Edit Video File With Xilisoft Video Editor

So many software that can use to be edit video file, example Adobe Premier, Ulead, Etc.

But no many people know how many type of file (extension) that can support on that software.

Especially for one software that no many people know that is Xilisoft Video Editor is one of the best Video Editor that can use for the editorial movie, because so many file support use of this software.

Input File Format Support
AVI, MPEG, MPG, MPEG-1, MPEG-2, MPEG-4, WMV, MP4, MOV, VOB, ASF, 3GP, 3G2, SWF, H.264, QT, DAT

Output File Format Support
AVI, MPEG, MPG, MPEG-1, MPEG-2, MPEG-4, WMV, MP4, MOV, VOB, ASF, 3GP, 3G2, SWF, H.264, QT, DAT

System Requirements

• OS : Microsoft® Windows XP (SP2 or later), Windows Vista
• Processor : 1GHz Intel/AMD processor or above
• RAM : 256MB RAM (512MB or above recommended)
• Free Hard Disk : 30MB space for installation
• Graphic Card : Super VGA (800×600) resolution, 16-bit graphics card or higher