Network Technology to Support PC Communication Services
Yasushi Yamanaka, Shuji Esaki, Akira Shibata, Shinya Takada, Saburo Seto · 2005
This article presents an overview of the network technology that supports the PC Communicator (PCC). It introduces several products of NTT’s R&D efforts that provide carrier-grade dependability and functionality (SIP server, presence server, address resolution server, billing system, and service activation system) and describes the main elements of the network architecture for the PCC system.