automatic national trunk network
automatic telephone trunk network
Inland Waterway Network
Network-Network Interface
NNI Network network interface
PNNI Private Network-Network Interface
Private Network-Network Interface (PNNI)
Two-way trunk， bidirectional trunk
back propagation network BP network
center network-section center network
communication network of power distribution and utilization network
Drug supervision network and drug supply network
Home Network Based on Telecommunication Network
integrated private network-to-network interface