Dinstar IP PBX System is required for connecting telephone extensions to public switched networks for providing internal communication for business. It is also considered as small business phone that can efficiently handle internal traffic and provide shared access to available limited resources. This system is said to be VoIP ready hence supports various standard IP protocols, voice messaging, and conferencing. It helps in managing intranet facilities and helps in reducing long distance expenses. Dinstar IP PBX System is also admired for having ability to switch calls between VoIP user & a normal telephone user with ease.