According to this Network World article:
“A year ago, the Ottawa, Ill.-based center was running an analog phone system fed by T-1s and a separate 10/100 Ethernet data network that wouldn’t support an IP phone system let alone the battery of high-bandwidth medical applications that are becoming more and more necessary, says Curt Sesto, director of facilities, construction management and electronics for the center.”
What began as a minor network upgrade became an extensive network overhaul resulting in a transition to VoIP. Ultimately, the project has helped this organization modernize communications and realize cost savings.
“The network overhaul was more extensive than the CEO had in mind when he asked for a new phone system, but it’s more appropriate to the high-bandwidth medical applications the network needs to support, Sesto says. “The old network was like having bicycle tires on an Indy car,” he says.”