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Sep 24

What is VoIP? Voice over Internet Protocol (VoIP) is the ability to transmit voice over the Internet to either a receiving computer, telephone or even a mobile phone. VoIP phone is becoming the popular worldwide telephone service for both consumer and the business communities. VoIP works by using a network technology known as Packet Switching Network whereas landline telephones use the Circuit Switching Network. This is referred to as the Public Switched Telephone Network.

What’s the difference between VoIP normal phones?

The main difference between Packet Switching and Circuit Switching, is that Packet Switching uses (data) or Packets and sends them over the Internet while Circuit Switching is accomplished by using electrical circuits to make a telephone connection. Circuit Switching is like the old switchboard operators, frantically trying to connect the right caller with the receiver. Packet Switching is used to transfer data all across the Internet including E-mail. Packet Switching converts audio formats into data packets and transmits them over the Internet, then reassembles them on the other person’s phone or computer in real time. By using a Broadband Internet Connection, microphone and speakers a conversation can take place similar to traditional telephone.

VoIP phones have been round for sometime, but increases in technology it is becoming increasingly popular. Several years ago many applications were available offering some form of free VoIP phone service. Majority of these have gone or now charge a fee for the use of their service as VoIP phone provider. Moreover, VoIP is developing higher standards of quality every day, and it has proved that it is a viable force for telecommunication for the future.

Who is providing VoIP phone service?

Telephone and Internet service provider companies are expanding to allow for monthly VoIP phone services. Companies such as AOL, Verizon and Sprint have VoIP phone offerings. Recently eBay has joined the ranks of VoIP phone service providers by purchasing skype VoIP software, with its vast membership base the VoIP message will soon reach the man on the street.

What’s special about VoIP?

Instant messaging programs such as MSN massager have been using VoIP technology for years. Now, most of these messaging programs come with voice enabled features which allow you to call a member of your buddy list. By using a microphone and speakers, you will be able to converse anywhere in the world, by VoIP and your Instant Messaging program.

With instant messaging VoIP incorporates different areas into one program. With your voice enabled programs, you can hook up a digital camera,web cam and use video, while you are speaking on your microphone and listening to on your speakers, and you can type back and forth with your chat program. You could even write an email at the same time. The potential for VoIP phones use is nearly limitless.

VoIP has this unique ability to integrate many forms of telecommunication applications into one package can handle data, audio, video, E-Mail, and web based applications simultaneously. This makes VoIP an incredible boost to business world and provides a cost effective choice of telephone service.

VoIP phone service providers are increasing in popularity with many people discovering all of the benefits available to them by switching from using their land line telephones to VoIP service. First, VoIP phone services costs significantly less than standard phone service, and this is a great attraction for bringing in new customers. Many VoIP phone plans will let you make unlimited long distance calls or provide you with a plan for very inexpensive rates. Many of the features that are often included for a fee with traditional phone service are often included for free with VoIP services. Features such as Call Waiting, Call Block, Call Forwarding, Conference Calling, Voice Mail are usually charged as extras by the traditional phone companies but these are usually free with the VoIP phone packages.Another benefit to VoIP services is that you can usually keep your existing phone number, or allow you to select a new area code. The means if you select an area where most of your friends and family live, a call to you will be treated as local call. For a remote business VoIP service can give the perception of having multiple office locations.

What’s the future for VoIP ?

Make no mistake about it VoIP phone services is a the emerging contender in the telecommunication world.It is a proven technology, can seamlessly integrate into many existing applications, does not require special equipment anyone with a PC with a microphone and speakers can use the service and it is very cost effective. Talk will be cheap!

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Aug 05
redtube-sexy-picture Redtube - Redtube P0RN site hacked


Redtube.COM

Redtube - Redtube.com Hacked!


When i was searching for a Redtube forums, i saw in one blog that Redtube was hacked by NetDevilz.

According to some article, the Redtube was hacked by a “Turkish Cyber Terrorists” who hates “P0RN” or dont like P0RN. So they hacked the largest P0RN database on the Internet, Redtube.

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Aug 01


Introduction: Howto Apache2 + SSL Installation

This tutorial will teach you how to install and configure Apache2 + SSL for Debian Etch. The installation is straightforward. You can just copy pasted the commands below:

Install apache2 in debian etch


#apt-get install apache2


Install openssl using the following command


#apt-get install openssl ssl-cert


Install PHP5 support for apache2 in debian etch

#apt-get install libapache2-mod-php5 php5-cli php5-common php5-cgi

Once you install apache server you need to Generate a certificate,Enable Apache SSL support and Configure your SSL options.


Generate A certificate

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Jul 24


This tutorial will guide you how to install and configure VPN PPTP in Debian Etch. The installation is straightforward.

Note: Make sure that your VPN Server has two Network Interface Card (NIC). One for Outside Interface (where the public IP is configured) and the other is INSIDE interface (where your LAN IP is configured)

Introduction

What is PPTP? Short for Point-to-Point Tunneling Protocol, a new technology for creating Virtual Private Networks (VPNs) , developed jointly by Microsoft Corporation, U.S. Robotics, and several remote access vendor companies, known collectively as the PPTP Forum. A VPN is a private network of computers that uses the public Internet to connect some nodes. Because the Internet is essentially an open network, the Point-to-Point Tunneling Protocol (PPTP) is used to ensure that messages transmitted from one VPN node to another are secure. With PPTP, users can dial in to their corporate network via the Internet.

PPTP is known to be less secure than other VPN software, but if you need a quick solution for a VPN server that will connect out of the box from Windows workstations PPTP is the obvious choice. This post will show how easy it is to setup a pptp vnp server on Debian Etch.
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Jul 09

This tutorial will show you how to install OpenVZ in Debian Etch System. The installation is straightforward and you can just do copy and paste.



Introduction: What is OpenVZ

From the website:

OpenVZ is container-based virtualization for Linux. OpenVZ creates multiple secure, isolated containers (otherwise known as VEs or VPSs) on a single physical server enabling better server utilization and ensuring that applications do not conflict. Each container performs and executes exactly like a stand-alone server; a container can be rebooted independently and have root access, users, IP addresses, memory, processes, files, applications, system libraries and configuration files. For more information about the technology and how it differs from the others like Xen, VMware etc., see introduction to virtualization, doc/openvz-intro.pdf (73 KB) or wikipedia:OpenVZ.

OpenVZ is free open source software, available under GNU GPL.

OpenVZ is the basis of Parallels Virtuozzo Containers, a commercial virtualization solution offered by Parallels. OpenVZ project is supported by Parallels.


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Jul 08

This tutorial will teach you how to configure Asterisk to store its CDR in MYSQL Database. Im using Debian Etch as my Operating System.

Installing Mysql Server 5 and Client



apt-get install mysql-server mysql-common php5-mysql mysql-client-5.0 mysql-client libmysqlclient15-dev

Creating a Database, Tables and Permissions


asterisk88:~# mysql -u root -p <enter>
Enter password: <enter>
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 26
Server version: 5.0.32-Debian_7etch5 Debian etch distribution

Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the buffer.

mysql> create database asterisk;
mysql> use asterisk;
mysql> CREATE TABLE cdr (
calldate datetime NOT NULL default ‘0000-00-00 00:00:00′,
clid varchar(80) NOT NULL default ”,
src varchar(80) NOT NULL default ”,
dst varchar(80) NOT NULL default ”,
dcontext varchar(80) NOT NULL default ”,
channel varchar(80) NOT NULL default ”,
dstchannel varchar(80) NOT NULL default ”,
lastapp varchar(80) NOT NULL default ”,
lastdata varchar(80) NOT NULL default ”,
duration int(11) NOT NULL default ‘0′,
billsec int(11) NOT NULL default ‘0′,
disposition varchar(45) NOT NULL default ”,
amaflags int(11) NOT NULL default ‘0′,
accountcode varchar(20) NOT NULL default ”,
userfield varchar(255) NOT NULL default ”,
uniqueid varchar(32) NOT NULL default ”
);

ALTER TABLE cdr ADD INDEX ( calldate );
ALTER TABLE cdr ADD INDEX ( dst );
ALTER TABLE cdr ADD INDEX ( uniqueid );

You can add more indices if you want.

mysql> \q

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Jul 04

For those users who has a voicemaster image (crack version). This howto will show you how to install VoiceMaster-<release>.tar.bz2 on a new machine.



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Jul 04

This tutorial will teach you how to install and run OpenSer as quickly as possible under Debian Etch Linux: Other Linux Distribution can also use this tutorial.



Introduction:

From the website.

OpenSER is a project spawned from FhG FOKUS SIP Express Router (SER). The reason for this new venture is the lack of progressing and contributions to the SER project from the other SER team members as well as the reticence to new contributions from project’s community members. We want to accelerate the integration of public contributions to the SER project.

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Jul 02


This tutorial will show you how to install Asterisk 1.4 with H323 Support + G729 and G723 Codec.

1) Installing necessary Debian packages before installing Asterisk

aptitude update
aptitude upgrade

aptitude install ssh ntp screen

aptitude install build-essential libcurl3-dev libvorbis-dev libspeex-dev unixodbc unixodbc-dev libiksemel-dev flex xsltproc linux-headers-`uname -r` g++ libncurses5-dev libnewt-dev libusb-dev subversion git-core flex bison

2) Get the stable release of Asterisk, Libpri and Zaptel

cd /usr/src
wget http://downloads.digium.com/pub/asterisk/asterisk-1.4-current.tar.gz
wget http://downloads.digium.com/pub/zaptel/zaptel-1.4-current.tar.gz
wget http://downloads.digium.com/pub/libpri/libpri-1.4-current.tar.gz
wget http://downloads.digium.com/pub/asterisk/asterisk-addons-1.4-current.tar.gz

tar xvzf asterisk-1.4-current.tar.gz && tar xvzf zaptel-1.4-current.tar.gz && tar xvzf libpri-1.4-current.tar.gz && tar xvzf asterisk-addons-1.4-current.tar.gz tar

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