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