Back to the benefits that Contoso would gain out of the "right" UC solution. The business case for Contoso is a mix of integrating "shorter/faster" ways for communication, collaboration, eliminating fixed locations for employees and staff, and converting different communication channels into a less expensive software-based communication solution for use both inside and outside the company.
The main priorities in the business case for Contoso's new UC platform are shown as follows:
Reduce travel costs by web conferencing, presentations, and online meetings.
Resolution of S2M connections to the public ISDN, since access by carriers are over SIP trunks. In other words, using SIP/VoIP connections from carriers (telecommunication services provider) instead of ISDN switches and technology.
Merging the formerly separated telephony and IT departments (change project).
Promotion of home offices, because the solution allows the unrestricted use of the Internet,...