The essential part of any business is communication and this gap can lead to misunderstanding; so at the managerial level, communication is a challenging topic with difficulties and high costs, especially if the business is on outsourcing or have offices across the world. Well, considering the cost, functionality, reliability, scalability and security; the emergence of IP PBX has moved the organizations to avail the innumerable benefits associated with it, contrary to the past modes of communication. IP PBX solution offers the services which help to reduce the monthly telephony charges with more of voice quality feature; this service is offered by the Internet telephony.
To avail the services of cheaper telephony charges, users have to avail VoIP PBX systems on their Linux operating system and the handsets used are referred as SIP phone. The SIP or Session Initiation Protocol is a switching protocol to control the user’s telephone calls over the Internet. Thus, while using the IP PBX solutions, user’s call between the subscribers of the same VoIP service providers completely stays on the network whereas calls from the non-subscribes are terminated to PSTN i.e. Public Switched Telephone Network. Well, user can not only use the services of IP PBX but he can also sell this solution to numberless business houses.
Many businesses are nowadays opting for virtual PBX solutions as they are simpler and easier to install and configure compared to traditional communication system. To implement PBX VoIP solutions, any business or company has to install the IP PBX in its headquarter and distribute the employees IP phone with the VoIP adapter. With this set-up users can make in-house and out-house calling routed through Internet at a substantial rate, moreover, user can add additional phone connections and extensions. Thus, before replacing the PSTN to IP PBX solutions with Internet telephony, a user must be thorough with the services and its usability.