The preparation, transmission, communication, or related processing of information (writing, images, sounds, or other data) by electrical, electromagnetic, electromechanical, electro-optical, or electronic means.
Sources:
CNSSI 4009-2022
from
NSA/CSS Manual Number 3-16 (COMSEC), NSTISSD 501
The term 'telecommunications' means the transmission, between or among points specified by the user, of information of the user's choosing, without change in the form or content of the information as sent and received.
Sources:
NIST SP 800-59
under Telecommunications
from
47 U.S.C., Sec. 153
The transmission, between or among points specified by the user, of information of the user's choosing, without change in the form or content of the information as sent and received.
Sources:
NIST SP 800-60 Vol. 1 Rev. 1
under Telecommunications
NIST SP 800-60 Vol. 2 Rev. 1
under Telecommunications