Continuous changes in the world of technology is not a new thing. The sales and marketing strategies of many companies is also positively effected by technology. The auto dialer software is a very important invention of technology.

As we know that Outsourcing is an agreement of two companies. In which one companies provide services of on behalf of other company for telemarketer their products, services or customer care solution etc. Outsourcing is consider a cost saving strategy if it is implement with care.

When we talking about secure communication we consider a communication which cannot intercept by third party, two people can share their information without any third person involvement. In IP Communication security is a big issue naturally this is unsecured communication which can be protected by using some security tools.

Linux is a free and open source operating system it was developed by Linus Torvalds in 1991.Linux operating system also known as fast performing operating system. Unlike Window OS, Linux is an open source and also open publically anyone customize it according to their need.

We cannot ignore the importance of technology in the filed of communication. We also know the importance of communication in every field of life. Technology has change the way of communication. Communication is become fast and reliable which was not before as. Communication in business play a key role to increase the productivity and efficiency.

FreeSWITCH is a communication software solution used for voice and messaging applications. It is a free and open source communication software solution licensed under Mozilla Public License. Using FreeSWITCH, we can build PBX, softphone and softswitch. FreeSWITCH use Sofia Sip stack this stack is fully mature robust and complete.