A proposal of architecture for a packet switching ISPBX
Fernando Ramos, Guilherme Arroz · SBT/IEEE International Symposium on Telecommunications · 2002
The authors present an integrated services private branch exchange (ISPBX) architecture based on a packet switching subnetwork, whose basic innovative aspect is the high flexibility provided by the modular organization of the system. They describe the general system organization and features, and present some examples illustrating the modular organization.>