телефонний канал
voice telephone channel
field telephone set
telephone operator
radio telephone operator (RTO)
private line, telephone (PLT)
battery powered telephone
intratank telephone
telephone communication
telephone connection
wire telephone
amplifying telephone
electronic telephone switchboard
channel of command
channel routes
drainage channel
duplex / two-way channel
fixed frequency channel
half-duplex channel
searched channel
simplex channel
single-channel ground and airborne radio system (SINCGARS) radio
quick-fire channel
beam channel
in the period in which the communications channel has been open
fire channel
fire-support channel
information collection channel
nonnuclear fire request channel
nuclear fire request channel
reconnaissance fire channel
converging channel
diverging channel