scope:

PURPOSE. This Instruction:

a. Reissues DoD Directive (DoDD) 4640.7 (Reference (a)) as a DoD Instruction and incorporates and cancels DoD Instruction (DoDI) 5335.1 (Reference (b)) in accordance with the authority in DoDD 5105.53 (Reference (c)).

b. Cancels DoD 4640.7-D (Reference (d)) and transfers authority for the DoD Directory (Reference (e)) to the Secretary of the Army.

c. Updates policy, assigns responsibilities, and describes procedures governing telecommunications services support, including support to networks and information integration (NII) activities in the NCR.

d. Provides equipment and usage guidelines designed to affect economies of telecommunications services in the NCR.

e. Provides guidance on utilization of telecommunications services to DoD users in the NCR and serves as a guide to DoD telephone directory listings.

APPLICABILITY. This Instruction applies to OSD, the Military Departments, the Office of the Chairman of the Joint Chiefs of Staff and the Joint Staff, the Combatant Commands, the Office of the Inspector General of the Department of Defense, the Defense Agencies, the DoD Field Activities, and all other organizational entities in the Department of Defense (hereafter referred to collectively as the "DoD Components").