canalisation
talkback
communicology
outsending
contact
radio
liaison
round
radiocommunication
inter-group communication
wireless
link
out-of-band signaling
advertising
multimedia system
multimedia
talkgroup
line of communication
channelisation
channelization
canalization
send out
voice over broadband
signalling event
broadcast
channels
channeler
transmission
telecom equipment
electronic communication
contention system
symbol
telecommunication system
playout
telecommunication equipment
modem
telecom system
radiotelephone
wireless telephone
channelling
network topology
remote work
back channel
repeater
topology
radiotelephony
communication
numbers station
communication system
sender