Fixed Line Products

PSTN/1
The GSMK CryptoPhone PSTN/1 is a secure desktop phone that connects to the public switched telephone network and comes with full source code available for independent review Dimensions: 50 x 275 x 172mm 2000g Connections: Standard analog PSTN/POTS interface with RJ11/RJ13 plug Audio port for interfacing the PSTN/1 with videoconferencing equipment Common Features Secures your voice's privacy Strongest and most secure algorithms available today: AES256 and Twofish 4096 bit Diffie-Hellman key exchange with SHA256 hash function Readout-hash based key authentication 256 bit effective key length Encryption key is destroyed as soon as the call end Source code available online for independent security assessments A brochure describing the PSTN/1 can be found here.
PSTN Video Conferencing Unit
With the GSMK CryptoPhone PSTN/1’s videoconferencing interface, mobile users can be securely integrated in encrypted videoconferences. The solution allows the CryptoPhone PSTN/1 to interface with existing videoconferencing equipment from multiple vendors, thus protecting the investment in existing videoconferencing encryption equipment. A brochure describing the Video Conferencing Unit can be found here.
PSTN VoIP Unit
The PSTN/1 VoIP unit is designed to allow PSTN users the ability to connect an encrypted phone direct to their VoIP infrastructure, avoiding issues with VoIP security whilst retaining the flexibility available from VoIP deployments. RJ-11, FXS port for the GSMK CryptoPhone PSTN/1 secure fixed-line telephone RJ-45 (IEEE 802.3, 10Base-T) Ethernet port external DC power A brochure describing the VoIP Unit can be found here.

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