TDM to VoIP

U.S. Air Force Senior Airman Drew Hacker, 509th Communications Squadron network infrastructure technician, tests phone line connectivity at Whiteman Air Force Base, Missouri, Aug. 20, 2025. Current installation phone lines transmit calls through physical wires and will be updated to transmit through a digital line. (U.S. Air Force photo by Senior Airman Joseph Garcia)

PHOTO BY: Senior Airman Joseph Garcia
VIRIN: 250820-F-PQ421-1071.JPG
FULL SIZE: 7.65 MB
Additional Details

CAMERA

NIKON Z 6_2

LENS

NIKKOR Z 24-120mm f/4 S

APERTURE

8

SHUTTERSPEED

1/160

ISO

5000

IMAGE IS PUBLIC DOMAIN

Read More

This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.

Go to Gallery