Drupal is an open source content management system for enterprises or large sized business such as corporate, political, and government sites. This frame work is written in PHP and initially released in January 2001.It has more than 30,000 free community-contributed addons and its community member strength is more than one million members. We can used Drupal for business collaboration and knowledge management. It has very well written APIs documents and flexible designs. Drupal is released under GPLV2 license.

Telecommunication technology is known as universal term, which is used in wide range of transmission technologies such like phones, land lines, VoIP and broadcast networks. International Telecommunication Union (ITU) is an agency which used world wide to administrated telecommunication and broadcasting. But most of the countries have their own agencies which regulate telecommunications.We usually define telecommunication as a way of exchange the information over significant distances by electronic means. Now a days telecommunication become vital part of our businesses.

Internet telephony has been around from many years in different forms. It is not a new technology for us. Due to some advancement in this technology it become more reliable. Its become number one choice of many businesses. The reason of become the number one choice is low dropped calls,high call quality and reliability.In the start for communication exist POTS (plain old telephone service) system. It run over the Public Switched Telephony Network (PSTN). This was only the tried-and-true method of which used the telephone service known as circuit-switched.

Technology change day by day.This continuous changes in technology has great effect in our daily life.Our way of doing the work is change day by day.Technology brings ease in every filed of life.It also effect uses of software.It introduced the new term Software as a services(SaaS).Software as a Services (SaaS) is a method of delivering the software over the internet and provide access to software and its functions remotely as a Web-based service.It is a simple method of accessing the software at provider server.Mostly SaaS application are based on monthly fees,quarterly and annual fees.

Data mining is also called knowledge discovery is used to sorting data to identify patterns and establish relationships. It is a process analyzing data from different point of view and finally summarize it into useful information. This information is usually used to increase revenue and reduce cost.Data mining software is analytical tool which used for analyzing the data. By using this software user analyze data from different perspectives and categorize and summarize the relation between them.

Human resource management software are used to managing different organizational activities. Various activates which HRM software are effectively manage are recruitment, selection, update employee database, performance evaluation, payroll, health, safety, leave and attendance. To achieve productive efficiency integrates different business functions in one package.Today's global market it is important for companies to hold their most valuable asset(human resource). Because success of any company just not depends on strategies,products and technology human resource is also play very vital role in the success of company over all effort.

Backup software are computer programme which designed in such a way that to copy important data in the event of a hard drive failure, user error, disaster or accident.They create similar copy to restore the original contents in the event of data loss.These type of software also known as a name of disaster recovery tools.Backup software realy an important development.It save importance data from losing, keep secure your important business documents if mistakenly or through virus they damage. There exist number of backup software each has some unique and distinct features. But in this article i have focus on open source backup software for Linux and Unix system. Lets see some of the top backup software.

Open source technology can be define as a development process which allow user to get the source code and modify it according to his need. After the initial process of development the development community is enter to second face of evolution where thousands of professional developers throughout the world highlight potential flaws, bugs and security glitches. Their feedback is very important for the improvement of application. Open source is not a way to freely debuggin application,it help new developer to learn the code and create their own application.

Antivirus software we also known as anti-malware software is a computer software which used for prevent, detect and remove malicious software. The basic purpose of antivirus development was to detect and remove virus in computers. Antivirus become the need of the users who run internet in computer, because in internet enable computer chances of virus affection increase.Some antivirus software are commercial and you need to pay for these software annualy. If you have not enough budget to pay for antivirus than open source antivirus is a best choice,you can use it freely.Lets see some of the top open source antivirus software.

Open source software big advantage is its code is publicly open, it allow you to modify the code according to your need and also share this. Open source software has advantages its economical as compare to commercial software. Their community more supportive and collaborative. Companies whose budget are tight prefer open sources solutions.Most complex and robust solution are offered as open source version.Open source hotel management system is very complex software solution,for making these type of system take more time and effort. Lets see some of the best hotel management software.

PBX which we known as Private Branch Exchange (PBX) is a system which enables companies to manage their voice calling and allow all users to share a certain number of external phone lines. Private Branch Exchange consist of some services such as call routing programs,calling extension and customer management system. It is available in hosted and on premises based.Hosted PBX is known as services of PBX features and and call platform which are offered by service providers. Service provider also provide the services of Maintenance, setup and host the infrastructures and tool. The user access it through Internet Protocol (IP) from service providers.

Project management software can be used for achieving different purpose, it is not only used for managing software based project. The web based software provides different tools such like tool for planning,organizing and resource management for gaining and managing software based project. You can access web based software by using a web browser and not need to install any other software to access this. Some open source project management software are multi-user software. Lets see some of the best open source project management web based software.

Open source is known as a computer software programs which is available for general public and its source code is also open and available for modification. It is the effort and contribution of developers which continuously working on open source codes and share there collaborative effort in open source community. Any user of open source product is customize the code to fulfill their needs.Open source projects are available under free of cost support such like most of the open source projects has forum where member of forum gives free of cost help.In some open source project we also take commercial support. Lets see best open source network management projects

When you enter in any filed you have to learn some basics terms of these filed as we call these term jargon of specific filed. Same like as when you look business phone system you must need to understand the jargon of Voice over Internet Protocol(VoIP).It is very important to educate yourself about different terms of this technology. Lets see some of the basic term which most frequently used in VoIP communication related filed.

Softswitch is a devices which used for telecommunication. We also known softswitch as software switch. As softswitch is a software it install on computer. Across telecommunication network it connects telephone calls from one phone line to another. This softswitch device used for making IP to IP phone calls and it is used for different mode of packet protocols.Softswitch is very excellent software application. It is very easy to control for communication. It is very simple and easy to use even a layman can easily use this. By using softswitch you can easily handle the list of huge clients for packet data switching.

Call Center Outsourcing become the trend between the different brands and businesses few past decade. Outsourcing is an alternative to in-house staffing. In outsourcing sending work to abroad due to cheap labor costs,reduced technology and equipment purchases, and bigger customer accommodation etc. But some businesses embraced outsourcing. Outsourcing also have some disadvantages. Before going to outsourcing every one should consider its merits and demerits.

Business VoIP services we known as commercial versions of residential VoIP services. It provide the small and medium sized businesses with advanced features and functionality such as conference calling, private branch exchange (PBX) capabilities, music on hold, desk-to-desk calling, and automated attendants. Most of the residential plan consist of of simple flat-rate pricing structure which allow only one call at a time but in case of Business VoIP provider provides plans which are supported multiple simultaneous calls.

Voice over Internet Protocol (VoIP) is used by utilizing high-speed Internet connection allow callers in order to make and receive phone calls. With the growth of high speed internet Voice over Internet Protocol available at less monthly rates for residential consumer. Services which provided by VoIP for residential user are lower as compare to traditional telephony.It provide number of features to their user. Due to changing in VoIP technology more and more features produced in VoIP telephony system. List of features provided by residential VoIP greater than conventional phone companies.

Contact Center is also known as customer interaction center is an integral part in business or organization from which all client contacts are managed. Usually Contact Center consist of one or more call centers. But its functionality is much wider than online call center. It consist different type of customer contacts like including e-mail newsletters, postal mail catalogs, Web site inquiries and chats, and the collection of information from customers during in-store purchasing. A Contact Center is generally consider as a part of organization customer relationship management.

VoIP communication is a form of communication which enable us to make phone calls by using internet connection instead of using analog telephone lines. Usually VoIP allow you to call those who received the calls on internet. By using interconnected VoIP service you will be able to call land lines number and also received from landmines numbers. VoIP enable business and computer user to do telephony calls from a desktop computer which are equipped with a VOIP phone. VoIP communication provide significant benefits to their user.

Quality of Service (QoS) is defined as ability of network to access number of maximum bandwidth and deal with other network elements like error rate, uptime and latency which effects the performance. There are several meaning of Quality in networking,in simple way we can say that Quality is some thing in which speak clear voice,listen clearly without any noise. Service in VoIP means services which offered communication facilities to their consumer.

While communicating with my new customers in the last 10 years, The top questions that I faced, were related to VoIP Provider. The customer with previous experience with VoIP faces no issues selecting and configuring a VoIP Provider however It was really a difficult task for a new customer to find out a suitable VoIP Provider for his needs. A customer with no background in the VoIP industry hardly grasps the basics of VoIP and consequently, he faces difficulty to select a proper VoIP Provider.

Session Initiation Protocol(SIP) is the communication protocol use to set up communications over the Internet. In Sip trunking VoIP provide the connection of a private branch exchange (PBX) to the Internet. It create the direct connection between your organization and an Internet Telephony Service Providers (ITSP).SIP trunk replace the traditional analog phone line,SIP trunking provide the same and more than traditional analog phone line services. The main difference between the traditional analog and SIP trunking is traditional analog use physical wire while SIP trunk used virtual phone line.

Unified Communication is defined as a communication system that consist of a wide range of applications and technologies which control at a single communication platform. Unified Communication support real time communications like Video conferencing,instant messaging,call control,VoIP and as well non real time communications like unified messaging,integrated voicemail, e-mail, SMS and fax.