Forrester Research: IMS will transform telecom.

"Vendors and carriers herald the IP multimedia subsystem (IMS) network architecture as the trigger for the next telecom boom... IMS is over-hyped today ? with immature standards and no way to prove product interoperability ? but will deliver on its promise by 2009. While the IMS architecture lets the network operator control applications and content initially, the open technologies used by IMS will ultimately enable application providers to bypass carrier controls and exploit the underlying network."