Crossword clues for Communications system. 8 letters:ETHERNETEarly computer communications systemSNAPCHATDisappearing communication system?TELETYPECommunications system.INTRANETCompanywide communication systemTELETYPEOld communication systemONSTARGM communication systemTELEXObsolescent communication systemEMAILModern communication systemDIGITALNETWORKHigh-tech communications systemBARKCODESDogs' communication systems?HEDYLAMARRGlamour girl who invented a communications system during WWIIEMAILOffice-communication systemMORSEWith 11 Across, communication systemWIGWAGNavy communication system.THEGRAPEVINECommunications system.CBSCommunications system.SHIPTOSHORECommunications system.RADIOCommunications system.TELCommunication system: Abbr.MORSE___ code (communication system)ASLCommunication system for the gorilla Koko: Abbr.TELEXCommunication system of oldASLCommunication system pioneered by Thomas Gallaudet, for shortNATOWith 115-Across, communication system that's a hint to the answer to each starred clueASLCommunication system for the deaf, for shortASLSilent communication system, brieflyTELEXESBygone communication systemsTELEXOutmoded communications systemTELEXPre-fax communications systemNETWORKCommunications systemASLDigital communication system, for shortASLCommunication system featured in the Best Picture nominees {/Sound of Metal/} and {/CODA/}PHONETREECommunication system structured like a pyramidHEDYLamarr who held a patent for a Secret Communication SystemTELEXCommunications system of the pastTTYPhone communication system for deaf and hard of hearing peopleCBRADIOCommunication system for long-haul truckers (Abbr.)SEMAPHORE*Distant communication systemASLNonverbal communication system: Abbr.MORSECODESystem of communication.BRAILLEOne system of communication.