Businesses initially used VoIP to consolidate their voice and data networks. As the initial cost benefits of a converged network was realized, enterprise businesses have started using the converged network for a range of new applications to drive up productivity. Enterprises are using VoIP to improve collaboration across their global sites. VoIP provides new tools, such as presence and instant messaging, for the workers to collaborate with their peers halfway around the world. The availability of high-quality audio using wideband codecs, video conferencing, and document sharing enables more effective and pleasant communication.
The overall benefit is that enterprise VoIP helps improve the productivity of the employees by improving collaboration and communication.