intercommunication system
intercom
interphone
telecommunication equipment
telecommunication system
telecom system
telecom equipment
cable station
net
information system
data system
interlocking tower
network topology
topology
telecom
suite
speak-box
telecommunication
guestchamber
line of communication
television
control room
television system
communicate
exchange
meshed
casual ward
central
entryway
telco building
telecom hotel
telephone exchange
telegraph line
telepad
backroom
communication system
TACAMO
telpher
communication
telepresence
hallway
hall
fenestration
omnidirectional range
omnidirectional radio range
omnirange
entryphone
trunking
phone system
cable