There has been a lot of publicity surrounding IP telephony and unified communications over recent years. Voice/data

convergence technologies are beginning to mature and are becoming more widely adopted by enterprises. At the same

time vendors are consolidating in order to gain a stronger market position. Butler Group has developed this Decision Matrix

to enable enterprises to better understand the market’s competitive dynamics. This report aims to help enterprises select a

vendor based on its technology strength, reputation among customers, and impact in the market. Butler Group provides a

complete view of vendor capabilities and advises on those you should explore, consider and shortlist.