What is Avaya IP Office?

Its one of the many Small Business telephone systems. It (along with others like the Alcatel PCX Office) offer a wealth of business grade telephony features, running over tradition TDM telephony and the new VoIP based technologies. Both of these systems also have a degree of data netwroking and Internet applications functionality (Firewalls, email servers, file server etc..) to address the remainder of the communication needs of the Small-Medium business (2-200 employees)