Compelling businesses cases are hard to come by. Quality and security is the subject of FUD. Perhaps most importantly, those enterprises that are forward thinking enough to appreciate the operational benefits of IP, have quite recently implemented advanced TDM solutions that are bridged with their contact management systems. These investments still have a distance to travel before they can be written off.
Nevertheless, the perceived industry wisdom supported by analyst predictions and all the research data recently collected points toward the day when all enterprises will implement a VoIP solution. The argument for a single network infrastructure to carry all company data