[1] : WordNet (r) 2.0

communication channel
     n : often plural a means of communication or access; "it must
         go through official channels"; "lines of communication
         were set up between the two firms" syn: channel, line
see also:
channel line 

Communication >> C Words
Communication, definition of term: Communication
communication_pag1.html

Channel >> C Words
Channel, definition of term: Channel
channel_pag1.html

Communication S >> C Words
Communication S, definition of term: Communication S
communication+s_pag1.html

Channel Service >> C Words
Channel Service, definition of term: Channel Service
channel+service_pag1.html

Channel Capacit >> C Words
Channel Capacit, definition of term: Channel Capacit
channel+capacit_pag1.html