ST7965TF TEMPEST SDIP-27 Level A VoIP Telephone

The ST7965TF is ideal where a feature-rich colour display VoIP telephone is required for TEMPEST environments.

Based on the feature-rich Cisco 7965G, the SST TEMPEST VoIP telephone augments the advanced OEM with security features such as onboard fibre Ethernet and push to talk functionality on the handset. The large colour display and intuitive navigation combine to provide an enhanced user experience.

The ST7965TF supports SIP and SCCP signalling protocols with additional security features. The G.722 codec and wideband functionality combine to provide greater voice clarity and intelligibility with reduced listener fatigue, without increasing bandwidth requirement.

This feature packed TEMPEST VoIP telephone combines industry leading Cisco technology supporting multiple QoS and VLAN options and media encryption capabilities with the proven engineering, integration, and compliance capabilities of SST.

The ST7965TF is designed for the most demanding TEMPEST environments and compliments the range of TEMPEST products, more details of which can be found at

  • SDIP & SCCP Protocols
  • Colour 1/2 panel VGA display
  • 'Press to talk' handset
  • Wideband G.722 codec
  • Fibre Ethernet
  • Voice media Encryption
  • Multiple language support
  • SDIP-27 Level A Compliant


  • 125mm Colour display (1/4 VGA 320x240 pixel)
  • 16 bit colour depth backlit TFT
  • Support for XML applications


  • Intuitive four-way (plus select) navigation cluster
  • 4 interactive softkeys along bottom of display
  • 6 line keys (or access to telephony features)
  • Automatically system labelled (no paper)


  • Message waiting indicator
  • 24 defined user-selectable ring tones
  • Voice media encryption


  • 100Base-FX Fibre Ethernet LAN (full duplex)
  • 100Base-FX Fibre Ethernet to PC (full duplex)
  • 802.1Q separate VLANS for PC and phone


  • SCCP and SIP signalling protocols
  • TIA 920 for VoIP wideband response
  • 802.1x Multi-Supplicant support
  • G.722, G.711a, G.711μ, G.729a, G.729ab and iLBC voice codecs
  • XML applications supported
  • SNMPv2 and LDAP3 standard directory
  • DHCP client and Manual IP Addressing
  • 802.1Q/p QoS standard
  • Trivial File Transfer Protocol (TFTP)
  • Differentiated Services Code Point (DSCP)

Language Support

  • Built-in support for more than 30 lanugages (depends on Cisco Unified Communications Manager)


  • Secure Real-time Transport Protocol (SRTP)
  • Secure signalling and media with AES-128
  • X.509v3 Certificiate device identity
  • 802.1X supplicant and EAPOL pass-through


  • Push-to-Talk Handset
  • Second 100Base-FX, to Computer
  • Bezel Colour Identification
  • Positive Disconnect


  • TEMPEST to SDIP-27 Level A
  • NATO Zone 0 (AMSG720B)

Regulatory Compliance

  • CE Compliant


  • Height:  157 mm
  • Width:  267 mm
  • Depth:  175 mm
  • Weight:  1.7 kg


  • Auto sensing 110-250 VAC, 47-63 Hz


  • 0 degress C to +35 degrees C (Operating)

Relative Humidity

  • 10% to 95% RH (Operating, non-condensing)

Certification Note:

This specific product was certified by SST as being compliant to the SDIP-27 standard. SST is a TEMPEST manufacturer and operates a test facility accredited by CESG (UK Government Authority for Information Assurance). Should additional certifications and/or endorsement of the testing methodology and results be required, please contact us about this product.