Cryptek TEMPEST 7975 VoIP Phone

The TEMPEST version of the 7975 VoIP phone is designed to grow with your organization and improve system capabilities.  The settings keys allows the user to adjust display brightness, select background images, and ringer sounds to further enhance your conferencing experience.  The Cryptek TEMPEST 7975 VoIP Phone also features a touchscreen display and a full-duplex speakerphone with acoustic echo cancellation.  This phone is an ideal choice when security, resilience, and ease-of-use are essential.

  • 5.6 inch touchscreen display
  • 16-bit color depth
  • 320 x 240 effective pixel resolution with backlight
  • Full-duplex speakerphone with acoustic echo cancellation
  • Faceplate color can be changed upon request
  • Optional push to talk handset
  • Meets NSTISSAM 1-92 Level 1 and NATO SDIP-27 Level A standards

Codec Support

  • G.711a, G.711u, G.729a, G729ab, G.722, and iLBC audio compression codecs are supported


  • Two 100BaseFX-SC fast Ethernet fiber optic connections

Ethernet Switch

  • Internal 2-port

Configuration Options

  • IP address assignment can be statically configured or configured through the DHCP client


  • SC Primary interface and ST or MTRJ interface options

Environmental Ranges

  • Operating Temperature:  32°F to 104°F
  • Storage Temperature:  14°F to 140°F
  • Relative Humidity:  10% to 95% (noncondensing)

Outer Dimensions

  • Length: 11 in (27.9 cm)
  • Width: 9.5 in (24.1 cm)
  • Height: 3 in (7.6 cm)


  • 5 lbs (2.3 kg)


  • Auto-ranging 110/220 VAC 50/60 Hz

Recent Events

June 19, 2017 - June 21, 2017
Baltimore Convention Center & Hilton Hotel
United States
The Information Assurance Symposium (IAS) will take place from 19th June to the 21st June 2017 at the Baltimore Convention Center & Hilton Hotel. IAS is the premier NSA information assurance event, providing an opportunity for guests to learn and network from cyber security professionals, subject matter experts and solution providers from throughout Government, industry and academia.
June 4, 2017 (All day) - June 9, 2017 (All day)
United States
The IEEE MTT International Microwave Symposium (IMS) is the premier annual international meeting for technologists involved in all aspects of microwave theory and practice. It consists of a full week of events, including technical paper presentations, workshops, and tutorials, as well as numerous social events and networking opportunities. The symposium also hosts a large commercial exhibition. Co-located with IMS are the IEEE RFIC and ARFTG conferences.